Tuesday, August 18, 2026

Navy Awards $22.9B to 17x Tomahawk Output; Chemistry Limits What Money Can’t Buy

www.techtimes.com/articles/324741/20260817/navy-awards-229b-17x-tomahawk-output-chemistry-limits-what-money-cant-buy.htm


Solid rocket motors take 18-24 months to build regardless of contract size



The U.S. Navy on Monday awarded Raytheon a $22.9 billion contract — the defense arm of RTX Corporation — to ramp Tomahawk cruise missile production from roughly 60 units per year to more than 1,000 over seven years, a 17-fold increase representing one of the most expansive single-weapon production commitments in American history. The contract, issued under the Department of War's Arsenal of Freedom initiative, provides RTX the long-term revenue visibility to expand its Tucson, Arizona factory complex, hire workers, and lock in sub-tier suppliers — but defense analysts and Georgetown University researchers warn that the binding constraints on delivering the 17-fold ramp are not financial. They are chemical and human.

Solid rocket motors — the propellant-based boosters that power every Tomahawk at launch before the missile's turbofan engine takes over for the cruise phase — take 18 to 24 months to manufacture from contract award to completed component, according to the Georgetown GSSR Tomahawk supply chain review. That timeline does not compress when the contract is larger. Meanwhile, the Arizona Technology Council projects that the Tucson aerospace and defense sector will be short 2,800 cleared engineering professionals and 1,400 precision manufacturing technicians by the end of 2026, according to KiTalent's Tucson defense workforce analysis — a workforce gap that RTX's announced plans to hire 1,200 additional technical staff in Tucson barely dents.

The contract formalizes framework agreements RTX and the Department of War signed February 4, 2026, and gives RTX the institutional mandate it needs to invest in factory expansion, workforce training, and supply chain development across hundreds of small and mid-sized U.S. suppliers. But a Georgetown Security Studies Review analysis published in May 2026 was direct about the gap between contractual ambition and industrial reality: the Pentagon's initiatives "represent a meaningful and necessary shift toward strengthening the industrial base, but they are unlikely to resolve immediate constraints facing Tomahawk production."

Why the United States Is Here: Operation Epic Fury and a Stockpile Burned Through

The $22.9 billion award did not emerge from peacetime planning. Since the United States and Israel launched Operation Epic Fury against Iran on February 28, 2026, the U.S. military has fired more than 1,000 Tomahawks — consuming a substantial share of its entire standing inventory within roughly two months of sustained operations, according to CNN's U.S. missile stockpile reporting. Iran's opening counterattack involved hundreds of drones and ballistic missiles in the first days of the conflict, forcing massive expenditures of U.S. interceptor inventory alongside the strike campaign.

A May 2026 analysis by the Center for Strategic and International Studies projected it could take at least three years for U.S. munitions stockpiles to return to pre-war levels, with Tomahawk inventories potentially constrained until late 2030 even with accelerated production — a timeline that the $22.9 billion contract does not alter, because the SRM supply chain constraint predates and persists beyond the signature. That analysis also confirms that rebuilding Tomahawk stockpiles takes years even under the most optimistic delivery projections.

Acting Secretary of the Navy Hung Cao framed the contract in operational terms. "We called on industry to rapidly scale up munitions output, and RTX is delivering," Cao said in a statement Monday. "This landmark Tomahawk contract ensures our warfighters continue to have the lethal firepower they need." Under Secretary of War for Acquisition and Sustainment Michael P. Duffey echoed the commitment: "This Tomahawk award increases our ability to equip the Joint Force, ensuring our Warfighters never face a fair fight."

Raytheon President Phil Jasper, whose Tucson campus manufactures the Tomahawk alongside the AMRAAM air-to-air missile and several other systems, called the weapon the Navy's most important strike asset. "Tomahawk is able to target hostile forces hundreds of miles away without ever risking the lives of our sailors," Jasper said. "We are making significant investments in our workforce, technology, supply chain and facilities to dramatically boost production capacity." All three quotes are drawn from RTX's official Tomahawk contract announcement.

How the Tomahawk Works — and Why the Ramp Is Technically Complex

The BGM-109 Tomahawk is not a simple munition. Its precision derives from a layered, redundant guidance architecture developed over four decades of continuous improvement — and that architecture is part of what makes scaling production difficult.

At launch, a solid rocket booster accelerates the missile from its vertical launch tube aboard a Navy destroyer or submarine. The booster then separates and the Williams F415 turbofan engine takes over, flying the Tomahawk at approximately Mach 0.7 — about 880 kilometers per hour (547 miles per hour) — at very low altitude to minimize radar exposure. For midcourse navigation, the missile combines an Inertial Navigation System (INS) with GPS updates, supplemented by Terrain Contour Matching (TERCOM): a radio altimeter that continuously compares ground-elevation readings against pre-loaded digital terrain maps of the flight route, allowing precise navigation in GPS-denied or jammed environments. The Tomahawk's layered guidance architecture is what distinguishes it from simpler cruise missiles.

In the terminal phase, a second system takes over: the Digital Scene Matching Area Correlator (DSMAC), an electro-optical sensor designated AN/DXQ-1 that captures real-time imagery of the ground below and compares it against stored reference photographs of the target area. Any deviation triggers a course correction. The combined system achieves a Circular Error Probable of approximately 10 meters (33 feet). Block V variants, the latest production configuration, add a two-way satellite data link enabling mid-flight target reassignment and maritime strike capability against moving ships.

Producing this guidance architecture at 1,000 units per year — versus the current 60 — requires not just more factory floor space but a proportional expansion of every precision component: radar altimeters, electro-optical seekers, GPS receivers, turbofan engines, and the solid rocket boosters that provide initial thrust. Each has its own sub-tier supply chain. Approximately 40 percent of components for RTX's Tucson production lines originate from out-of-state suppliers, primarily in Huntsville, Dallas, and Southern California, according to KiTalent's defense workforce assessment. Modern Diplomacy's August 2026 analysis noted that Tomahawk draws thousands of subcontractors, with individual missile lead times running 18 to 24 months.

What the Contract Cannot Buy: The Solid Rocket Motor Problem

The deepest constraint the $22.9 billion contract cannot resolve is propellant chemistry. The Center for Strategic and International Studies published a dedicated report in June 2026 on solid rocket motors and their role as a binding bottleneck across every U.S. missile program — from Tomahawk to Patriot to THAAD. The CSIS solid rocket motor supply report found that planned production increases will test a supply chain still recovering from decades of consolidation and a demand collapse that followed the space shuttle program's 2011 retirement.

When the shuttle flew, it consumed roughly 20 million pounds of SRM propellant per year, sustaining a large industrial base. After 2011, annual demand fell to approximately 5 million pounds, idling facilities and driving consolidation. Today, every U.S. missile ramping simultaneously — Tomahawk, PAC-3 MSE, THAAD, SM-6, AMRAAM — draws on that same contracted propellant supply. The HTPB-45M binding agent, a synthetic rubber that holds together the ammonium perchlorate oxidizer and aluminum fuel powder that constitute most U.S. solid rocket propellant, has a single significant domestic supplier: Helicon Chemical Company in Orlando, which is still waiting for the government investment it needs to begin a capacity ramp, according to the Breaking Defense SRM supply chain investigation.

L3Harris Technologies CEO Chris Kubasik described the real problem plainly to the Jefferies Industrials conference: "We don't really need a third solid rocket motor provider. We need more companies that make nozzles. We need more companies that make igniters. We need more companies that make cases." The bottleneck is not at the system integrator level — it is at sub-tier component manufacturers producing the highly specialized ingredients that no prime contract, however large, can conjure into existence faster than chemistry and capital-intensive tooling allow.

CSIS missile defense project director Dr. Tom Karako has noted that some defense contractors are already spending their own capital to fund capacity expansion while congressional appropriation remains uncertain — a gamble, as he described it, that assumes Congress will eventually act. The RTX partnership with Italian aerospace firm Avio to build a new SRM factory in Virginia addresses part of this gap, but the facility is not expected to come online before 2028, according to the Georgetown GSSR analysis.

The Ramp Already Underway — and What It Proves

RTX has not waited for Monday's contract signature to begin accelerating. The company delivered three times more Tomahawks in the first half of 2026 than in the same period of 2025, a figure RTX's official press release confirms and that represents the production ramp already underway under earlier framework commitments. The Monday award formalizes and extends that commitment across seven years, providing the revenue certainty RTX needs to make long-duration capital investments — factory expansion, workforce training pipelines, supplier qualification programs — that would be financially irrational under single-year procurement cycles.

The Arsenal of Freedom initiative, which underpins the contract, has now seen the Department of War sign ten framework agreements since January 2026 with four prime and Tier 1 contractors: RTX, Lockheed Martin, BAE Systems, and Honeywell Aerospace. Lockheed Martin separately holds a $58.6 billion, seven-year contract awarded July 29 for PAC-3 MSE interceptors and a $35.3 billion, seven-year THAAD production contract awarded June 24, per CSIS's missile inventory rebuilding analysis. The Tomahawk contract is the latest piece of a coordinated buildup whose scale has no post-World War II precedent in American munitions procurement.

But the Feinberg precedent — Deputy Defense Secretary Steve Feinberg's August 6 memo declaring the 30-year procurement model structurally broken and demanding wartime-speed delivery plans from contractors — makes the same point the Georgetown researchers made more academically: "No funding commitment... will produce a Patriot interceptor before mid-2028 at the absolute earliest." The same physical reality applies to Tomahawk. The contract accelerates the timeline. It does not eliminate the SRM chemistry constraint.

President Trump pushed back publicly on concerns about the stockpile shortfall on Monday, telling Fox News, "What we've used is peanuts. We have a lot of mid-level weapons," according to Fox News' contract day coverage. That characterization conflicts with the CSIS depletion assessments and with the existence of the $22.9 billion contract itself, which Duffey framed as a direct response to wartime consumption.

Does the Contract Make RTX Stock Worth Its Valuation?

For investors, Monday's award is the latest development in an extraordinary run. RTX's Q2 2026 results, reported July 23, delivered adjusted earnings per share of $1.89 — up 21 percent year-over-year — on sales of $24.7 billion, up 14 percent. Free cash flow reached $2.9 billion for the quarter, a dramatic reversal from negative $72 million in the prior-year period. The company's backlog surged to a record $289 billion — up 22 percent year-over-year — including $119 billion in defense orders, driven partly by nearly $20 billion in Raytheon awards during Q2 alone.

International demand has been a significant tailwind: Raytheon secured approximately $10 billion in international bookings in the first half of 2026, with $7 billion from Europe, as allied nations rush to rebuild their own arsenals. The company raised its full-year 2026 guidance on July 23 to adjusted sales of $95 billion to $96 billion, with adjusted EPS of $7.10 to $7.25 and free cash flow of up to $8.75 billion.

RTX separately received a contract for SM-3 Block IIA interceptors valued at $745 million from the Missile Defense Agency on August 10, underscoring that the Tomahawk award is one of several simultaneous production commitments across RTX's munitions portfolio.

The execution risk that the Georgetown and CSIS research surfaces — SRM constraints, workforce shortfalls, 18-24 month component lead times — does not make the RTX investment thesis wrong. It makes the timeline more uncertain. A company with a $289 billion backlog and a $22.9 billion contract from the U.S. Navy has extraordinary revenue visibility. Whether it can convert that visibility into 1,000 Tomahawks per year by the contract's intended production target depends on whether sub-tier suppliers and Tucson's workforce pipeline can scale as fast as the contract assumes.

How Does the US Get to 1,000 Tomahawks Per Year?

The path from 60 to 1,000 requires three parallel timelines to converge: factory investment, workforce expansion, and SRM supply chain development — each with its own physics. RTX has committed to hiring 1,200 additional technical staff in Tucson by Q4 2026, but the Arizona Technology Council's projection of a 2,800 cleared-engineer deficit by year-end means that headcount plan, even fully executed, leaves the region short, per KiTalent's Tucson workforce analysis.

On the SRM side, the new entrants the government has funded — Anduril, X-Bow, Ursa Major, Firehawk, Castelion — have yet to demonstrate volume production from prototype stages. Anduril has received $58 million under the Defense Production Act to expand SRM production and has test-fired over 700 SRMs since January 2024, targeting 6,000 SRMs annually by end 2026. Those numbers are promising for the long-term supply base but do not resolve the 2026 and 2027 gap. The RTX/Avio Virginia SRM facility expected online in 2028 represents the structural fix — but it is a 2028 fix, not a 2026 one, per Georgetown's Tomahawk supply chain assessment.

The Department of War's Acquisition Transformation Strategy explicitly directs the Pentagon to engage sub-tier suppliers directly, bypassing the traditional prime-only contracting model that left single-source dependencies invisible until they became crises, according to RTX's official contract announcement. Whether that structural reform translates to SRM propellant flowing faster than chemistry allows remains, as Dr. Karako put it, a gamble — one the U.S. military has no alternative but to make.


Frequently Asked Questions

Why can't Raytheon just build 1,000 Tomahawks a year right away if the money is there?

The constraint is not primarily financial — it is industrial and chemical. Solid rocket motors, which power the Tomahawk at launch, require 18 to 24 months from contract award to completed component. The propellant chemistry involves highly specialized ingredients — including HTPB-45M synthetic rubber binder — that depend on sub-tier suppliers with limited capacity, some of which are single-source. Factory floor space, precision tooling, and a workforce of cleared engineering professionals are equally constrained. A $22.9 billion contract provides the funding and demand signal for expansion. It cannot compress the physical timelines of propellant chemistry, factory construction, or skills training.

What happens if the solid rocket motor bottleneck isn't resolved before the next high-intensity conflict?

The Center for Strategic and International Studies concludes that restoring U.S. missile stockpiles to pre-Iran-war levels will take at least three years — and that "the greater strategic risk is not sustaining the current conflict but responding to another high-intensity contingency before Patriot and THAAD inventories can be rebuilt." The same logic applies to Tomahawk. The weapons most consumed by Operation Epic Fury — Tomahawk, THAAD, PAC-3 MSE, SM-6 — are precisely the systems the U.S. would need in a high-intensity confrontation in the Western Pacific or on the Korean Peninsula. A contracted production commitment that outpaces actual deliverable capacity creates a paper deterrent, not a real one.

What does the Tomahawk guidance system actually do that makes it so hard to build at scale?

The BGM-109's guidance combines four separate systems: an Inertial Navigation System for basic flight path stability; GPS updates for mid-course correction; Terrain Contour Matching (TERCOM), which uses a radar altimeter to compare live ground-elevation readings against stored terrain maps; and Digital Scene Matching Area Correlation (DSMAC), an electro-optical camera that compares real-time target imagery against pre-loaded reference photographs, achieving about 10 meters (33 feet) accuracy. Each of these systems — and especially the precision seekers, radar altimeters, and digital processing hardware — has its own component supply chain. Scaling to 1,000 units per year means proportionally expanding every one of those supply chains simultaneously, across hundreds of suppliers, many of them small specialized firms with their own capacity ceilings.

What does RTX's record backlog mean for investors, and what risks should they watch?

RTX's $289 billion backlog — including $119 billion in defense orders — provides exceptional long-term revenue visibility, and the $22.9 billion Tomahawk contract adds a significant anchor. Q2 2026 adjusted EPS grew 21 percent and the company raised full-year guidance to $7.10-$7.25 adjusted EPS. The primary execution risk is not demand — it is the company's ability to convert backlog to deliveries at the pace the contracts imply. If SRM constraints, Tucson workforce shortfalls, or congressional funding delays (the FY2027 NDAA and $18.2 billion interceptor replenishment package remain unapproved) slow actual production rates, the gap between contracted revenue and delivered revenue could widen. The contracts provide visibility; the supply chain and workforce determine whether that visibility converts to cash.

By

Monday, August 17, 2026

Archaeology News: Ancient Egyptian princesses were skilled archers, trained with weapons, controversial study claims

Ancient Egyptian princesses were skilled archers, trained with weapons, controversial study claims



The six, four of whom are believed to be daughters of Pharaoh Amenemhat II, were rediscovered in 2020 in the Egyptian Museum after being lost for decades. 


By Miriam Sela-Eitam, Jerusalem Post, August 15, 2026


A Battle-Scene from the Rameseum at Thebes', 1890. Battle of Kadesh relief (c1275BC) at the Ramesseum memorial temple in the Theban necropolis. From "Cassell's Illustrated Universal History, Vol. I - Early and Greek History", by Edmund Ollier.
(photo credit: The Print Collector/Heritage Images via Getty Images)

Ancient Egyptian princesses buried with weapons may have been trained to use them while alive, according to a controversial study published in the journal Frontiers in Environmental Archaeology in July.

Researchers examined six mummies found at the Dahshur funerary complex in the 1890s. The mummies, belonging to royal individuals from Egypt’s Middle Kingdom, date to nearly 4,000-years-ago.

“Members of the royal family, especially the women, were active participants in skilled, physically demanding activities such as archery and hunting,” said Lead author Dr. Zeinab Hashesh. “This conclusion is supported by the way their bones developed to sustain heavy muscle use, which corresponds directly to the weapons discovered in their tombs.”

The six, four of whom are believed to be daughters of Pharaoh Amenemhat II, were rediscovered in 2020 in the Egyptian Museum after being lost for decades.

After analyzing the mummies’ muscle attachments, researchers suggested that pronounced areas in their upper limbs indicate “repetitive, high-intensity actions like pulling a bowstring or stabilizing a weapon.”


Current state of preservation of the mummy (L), 3D visualisation of the mummy: VR (C), and segmentation of the skeleton (R), April 23, 2026. (credit: Marzena Ożarek-Szilke/University of Wrocław)

Hashesh added that the conclusion explains the presence of weapons in the princess’s burial chambers, as they are traditionally associated with men.

Princess Ita, Princess Khenmet, Princess Itaweret, and an anonymous woman provisionally identified as Princess Sathathormeryt, were all buried with bows and arrows. Ita’s coffin also held a dagger.

The two other mummies, Princess Noub-Hotep and King Hor, were buried with similar items.

“Princess Ita was a young woman aged between 28 and 34 with strong upper-body muscle attachments, suggesting she habitually used weapons like maces or daggers,” explained Hashesh. “Princess Khenmet was a woman in her late 30s or 40s who showed signs of thinning bones, but had very robust ligament attachments. Princess Itaweret was a young woman aged between 20 and 34 who survived broken ribs and foot fractures; her skeleton shows she was a skilled archer.”

Experts challenge study's claims

However, bioarchaeologists not involved in the study shared with Live Science that “skeletal changes cannot reliably indicate a specific activity,” adding that “age, body size, genetics and other repetitive movements can produce similar results.”

Sonia Zakrzewski, a bioarchaeologist at the University of Southampton who was not involved in the research, told Live Science in an email that the identities of the skeleton’s relies on 19th-century labels, which means that “we cannot be certain how reliable they really are.”

She added that while the attachment sites on the bones are pronounced, there is no way of proving that it was caused by archery, only that the muscles “appear to have been repeatedly used.”

"We cannot say therefore that these skeletal changes necessarily are associated with the use of weaponry," Zakrzewski said, especially since the researchers did not also study any “control” groups from the time period.

"It would be very useful to know how much such side differences exist in contemporaneous Egyptians, whether royal or not," she noted.

No clear reason why princesses buried with arrows

Additionally, she told Live Science that there is no clear reason as to why the princesses were buried with items like arrows.

"Archery is a highly asymmetrical activity,” Scott Haddow, a bioarchaeologist at the University of Turin not involved in the study, explained to Live Science via email. Finding the pronounced sites on both sides of the remains “does not make a particularly strong case for these individuals practicing archery.”

Haddow added that the individuals’ ages could also explain the differences, as “muscle-attachment sites are influenced by aging, as well as by body size and genetics.”

Other experts told Live Science they believe the researchers might be reading into the appearance of the weapons too much.

"Although the presence of funerary artifacts (e.g., arrows, daggers) makes the princesses' involvement in such activities plausible, the authors provide limited biomechanical or biomedical evidence to substantiate this claim," French anthropologist Sébastien Villotte told Live Science in an email.

Villotte, who works at the French National Center for Scientific Research, added that "a more robust approach would involve comparing these individuals to non-elite contemporaries from the same region and period.”

“This would help determine whether such degenerative changes (at these locations) were common in the general population (who were unlikely to engage in the same activities) or truly indicative of elite-specific behaviors."

However, despite the lack of control group and other uncertainties, Zakrzewski told Live Science that the importance of examining the remains should not be disregarded as “it allows us to sort of put flesh on the bones and understand more about their lives.”




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What Is the Big Bang Theory? A Bite-Sized Breakdown of Space, Time, and Atoms

nibble-app.com/blog/what-is-the-big-bang-theory

From a single point to a sky full of galaxies — here's the science (and the sitcom) behind it all.




Is "the Big Bang theory" the name of your favorite sitcom or the actual story of how everything around you came to exist? Honestly, it's both. But the real one is stranger than anything Sheldon Cooper ever diagrammed on his whiteboard.

What is the Big Bang theory? The Big Bang theory is the leading scientific explanation for how the universe began. It states that roughly 13.8 billion years ago, all space, time, matter, and energy expanded rapidly from a single, infinitely hot and dense point called a singularity.

That's the short version. The long one involves quarks, gravity, leftover radiation from the dawn of time, and a Belgian priest who beat Edwin Hubble by two years. If you want to understand cosmology well enough to hold your own at trivia night, you're in the right place. If this kind of thing gets you fired up, Nibble turns ideas like this into five-minute lessons — try one before your coffee goes cold.


Quick summary: What you'll learn about the Big Bang theory

Short on time? Here's the whole universe, summarized.

  • The Big Bang theory explains how the universe expanded from a single point, or singularity, about 13.8 billion years ago.
  • Cosmic inflation, a theory from physicist Alan Guth, explains why the universe looks so smooth and flat today.
  • Quarks, protons, neutrons, and electrons formed within seconds, eventually combining into hydrogen and helium atoms.
  • Evidence like redshift, the cosmic microwave background, and satellite data from COBE and WMAP all support an expanding universe.
  • Big mysteries like dark matter, dark energy, and black holes prove cosmology still has homework left to do.


From a single point to infinity: What is the Big Bang theory?

Before galaxies, planets, or pizza existed, there was just a point. Let's start there.

Defining the singularity and the age of the universe

Physicists call that starting point a singularity: an infinitely dense, infinitely hot spot where the normal rules of space and time break down. Everything that exists today, every atom, every galaxy, every black hole, was once packed into it.

Belgian priest and physicist Georges Lemaître first proposed the idea of an expanding universe in 1927, two years before Edwin Hubble's observations gave it real evidence. Albert Einstein famously doubted it at first before coming around. Today, scientists peg the age of the universe at roughly 13.8 billion years, calculated from how fast everything is still moving apart.


Cosmic inflation and Alan Guth's breakthrough

In a fraction of a second (around 10^-32 seconds) after the moment of the singularity, the universe experienced a period called "cosmic inflation". This was a very fast process by which space expanded faster than the speed of light.

Physicist Alan Guth proposed this idea in 1980 to address problems the original Big Bang theory couldn't explain, such as why the universe looks so flat and evenly spread out in every direction. Without cosmic inflation, the smooth, balanced universe you're sitting in right now probably wouldn't exist.


The cosmic timeline: How our universe developed

Once inflation settled, the universe still had a lot of growing up to do.

The first seconds: Quarks, electrons, protons, and neutrons

The cosmic inflation happened at a very rapid rate and was measured almost on a second-by-second basis.

  • 0 to 10⁻³² seconds: Cosmic inflation expands space faster than light.
  • First few seconds: Quarks and electrons form, quickly clumping into protons and neutrons.
  • Next few minutes: Protons and neutrons fuse into light nuclei, while photons bounce endlessly off free electrons in a hot, glowing fog.


The cool down: creating hydrogen and helium atoms

About 380,000 years later, the universe cooled enough for electrons to settle into orbit around protons. That moment, called recombination, created the first true hydrogen and helium atoms. It also lets photons travel freely for the first time instead of constantly scattering off loose electrons. That ancient light is still out there, and scientists now study it as the cosmic microwave background.

Gravity steps in: From cosmic soup to galaxies and galaxy clusters

With atoms in place, gravity took over. Slightly denser pockets of gas pulled in more matter, collapsing into the first stars. Those stars are grouped into galaxies, and galaxies are clustered into galaxy clusters, the largest structures we know. This didn't happen overnight; it took hundreds of millions of years.

But it's why you can look up on a clear night and see the Milky Way instead of an empty, even haze.

The clues left behind: How do we know it happened?

A theory this big needs serious evidence, and the Big Bang theory has plenty.

Edwin Hubble and the redshift of an expanding universe

In 1929, Edwin Hubble made an interesting discovery about our universe – that galaxies farther from us were receding much faster than those closer to us. The light from these distant galaxies appears to be redshifted, similar to how the pitch of a siren becomes lower as it moves away from you.

That stretching is direct evidence of an expanding universe. Hubble's name now belongs to both the Hubble constant, which measures how fast the universe expands, and the Hubble Space Telescope, still hunting for answers today.

Arno Penzias, Robert Wilson, and the cosmic microwave background

In 1965, engineers Arno Penzias and Robert Wilson tried to fix a persistent hiss in their radio antenna. They cleaned it, checked for pigeon droppings, and ruled out every earthly cause they could think of. That hiss was the cosmic microwave background, or CMB: leftover radiation from recombination, stretched out by billions of years of expansion.

It's the oldest light in the universe, and it shows up in every direction, all the time. The discovery earned Penzias and Wilson a Nobel Prize.

How COBE and WMAP mapped the early universe

Later missions took that discovery further. The COBE satellite, launched in 1989, confirmed the CMB's near-perfect uniformity and detected tiny temperature variations. WMAP, launched in 2001, mapped those variations in greater detail, helping pin down the age of the universe at 13.8 billion years.

Both missions gave cosmologists hard data to test against theory, turning the Big Bang from an educated guess into one of the most well-supported ideas in science.

The missing pieces: Dark matter, dark energy, and black holes

For all this evidence, the universe still keeps plenty of secrets.

Einstein's general relativity vs quantum theory

Albert Einstein's general relativity explains gravity beautifully at huge scales: planets, galaxies, even black holes, those collapsed remnants of dying stars where gravity gets so strong that nothing escapes. Quantum theory, meanwhile, governs the tiny stuff: quarks, electrons, photons.

The catch is that the two don't play well together, and that gap leaves room for mysteries like dark matter and dark energy. Dark matter is an invisible mass that holds galaxies together with extra gravity. Dark energy is the unexplained force speeding up the universe's expansion. Together, they make up most of everything, and scientists still don't fully understand either.

Fred Hoyle and the steady state alternative

Funny enough, astronomer Fred Hoyle, who coined the term "Big Bang" in 1949 as a bit of a put-down, didn't believe in it himself. He championed a rival idea called the steady state theory, which argued the universe had no beginning. The discovery of the cosmic microwave background settled the debate. Hoyle's nickname stuck around, even after his theory didn't.

Beyond the physics: The pop culture explosion

Decades later, the name took on an entirely new life.

Why Sheldon, Leonard, and Penny dominated our screens

The sitcom "The Big Bang Theory" borrowed its name purely for the laugh, not the lecture. Sheldon, Leonard, Penny, and the rest of the gang turned physics nerds into household names across twelve seasons, even though the show rarely covered actual cosmology.

Still, it's probably why many people search this exact phrase, expecting a TV recap instead of a science lesson. No judgment here. Now you've got both answers in your back pocket.

Ready to stop forgetting the universe? Build a real knowledge habit with Nibble

Reading about the Big Bang theory makes two things obvious: the universe is mind-blowingly fascinating, and keeping all these ideas straight, quarks, dark matter, and general relativity, feels like a lot to juggle. You close this tab, and by tomorrow, half the details have slipped away. That's not a memory problem. It's a consistency problem. Most of us rely on random searches instead of a real system for building knowledge.

This is where Nibble comes in. You don't need to crack open a 400-page physics textbook to understand the universe. Nibble breaks down some of the biggest ideas in human history, from cosmology and math to art history and philosophy, into interactive text lessons, games, and audio episodes that take just minutes a day across 20-plus topics. It's a Top 15 Free Education App in the US with over 9 million downloads, built to be the structured habit that stops information from going in one ear and out the other.

Frequently Asked Questions on the Big Bang theory

What is the Hubble constant?

The Hubble constant measures how fast the universe is expanding at any given distance. Named after Edwin Hubble, it tells scientists that for every additional megaparsec away a galaxy sits, it's moving away roughly 70 kilometers per second faster. It's one of the key numbers cosmologists use to calculate the universe's age and size.

How do the Hubble Space Telescope and James Webb help us see the Big Bang?

The Hubble Space Telescope and the James Webb Space Telescope capture light that's been traveling for billions of years, letting astronomers see galaxies as they looked in the early universe. Since light takes time to reach us, looking farther away really does mean looking further back in time, almost like flipping through a cosmic photo album.

Was the Big Bang actually an explosion?

Not in the way you're picturing. There was no blast moving through existing space, because space itself didn't exist yet. The Big Bang was an expansion of space, time, and energy from a single point, not an explosion within space. Calling it a "bang" is mostly a historical habit, courtesy of Fred Hoyle's sarcastic nickname.

Who first proposed the Big Bang theory?

Georges Lemaître, a Belgian priest and physicist, proposed the idea of an expanding universe in 1927, two years before Edwin Hubble's observations provided evidence for it. Lemaître called it his "hypothesis of the primeval atom." Decades later, Fred Hoyle gave it the catchier, slightly mocking name we use today.

What's the difference between dark matter and dark energy?

Dark matter is an invisible mass that adds extra gravity, helping hold galaxies and galaxy clusters together. Dark energy is a mysterious force linked to the accelerating expansion of the universe. Both remain unexplained, but they affect the cosmos in opposite ways: one pulls things together, and the other pushes everything apart.


Saturday, August 15, 2026

We’ve Just Discovered A Brand New Object At The End Of The Universe – Meet A “Black Hole Star”

www.iflscience.com/object-brighter-than-a-galaxy-could-be-first-ever-sighting-of-a-black-hole-star-that-explains-jwsts-little-red-dots-84357

People raised their eyebrows at the physicist whose paper on stars with black hole cores was inspired by Soundgarden, but maybe he was onto something.


            
    An artist's somewhat imaginative portrayal of a supermassive black hole surrounded by dense layers of gas in a ball with a radius the size of Neptune's orbit Image credit: Jose-Luis Olivares, MIT

A survey using the space telescope JWST has found evidence of a peculiar star-like quality in a black hole from the early universe, leading researchers to suspect they are looking at a brand-new type of astrophysical object: a black hole encased in a ball of hydrogen that makes it appear like a giant star, or "black hole star".

While seeking galaxies in the early universe, JWST has spotted a plethora of objects since dubbed “little red dots." These existed soon after the Big Bang and must be tremendously bright for us to see them at this distance, leading to almost a thousand peer-reviewed papers in four years exploring their nature.
The dots are of particular interest because they seem to contain inexplicably large black holes. The presence of these monsters so early in the universe's history is a bit of a mystery, as they shouldn't have had enough time to form by the mechanisms we are familiar with in modern galaxies.
Dr Rohan Naidu at MIT and his colleagues were actually on an entirely separate quest, trying to weed out objects in JWST images called "mirages," because they are much closer than they appear. In the process, they found an object that isn't quite as distant as other little red dots but is stupendously bright and red. 

“When we see something very red in the universe, we often assume that it is surrounded by dust, like soot or ash,” said MIT Professor Robert Simcoe in a statement

“The same way that the wildfire smoke from Canada recently made the sky in Boston look bright red, astronomical objects can also appear redder than their intrinsic color when you see them through a veil of dust.”







An artist's somewhat imaginative portrayal of a supermassive black hole: Jose-Luis Olivares, MIT

The new object’s spectrum indicates an almost complete absence of elements heavier than helium (which astronomers confusingly refer to as metals), indicating it predates any supernovae nearby. 

The team sought to model what it would take to produce such a red color with hydrogen alone, and they were surprised to discover it could happen “if you have an extremely dense screen of hydrogen, so dense that it looks more like the surface of an enormous star than a wispy interstellar nebula,” Simcoe said.

However, while the hydrogen cocoon explains the color, the sheer brightness requires a special power source. 

The brightest objects in the universe are quasars, brilliant bursts of energy powered by black holes, but this doesn’t look like one of them. 

Instead: “You have something that looks a bit like a star but is 100 billion times brighter,” Naidu said. “That means you can’t be powering this by nuclear fusion, which is the energy source that sits at the heart of all the stars we have.”

How could the brightness of a black hole’s accretion disk and the spectrum of a star be combined? The most likely explanation the team can find is that we are looking at a black hole about 100,000 times as massive as the Sun – small by the standards of supermassive black holes – that is surrounded by dense hydrogen with a radius five times as wide as the distance to Voyager 1.

A comparison of an orginary star, a black hole's accretion disk and what you get when you put them together
A comparison of an ordinary star, a black hole's accretion disk, and what you get when you put them together.
Image credit: Illustration: Rohan Naidu (University of Hawai'i)

The team has called the object MoM-BH*-1, the * being used to designate black holes and the initial acronym coming from their project “Miracle or Mirage." 

MoM-BH*-1 is considerably brighter than JWST’s typical little red dots, but that may just be because they are smaller versions of the same thing. If they are, this object may have helped explain how they came to be, because its configuration is consistent with a scenario called super-Eddington feeding, which is one proposed mechanism for getting big black holes early on in the universe.

“Every little red dot is consistent with being a black hole star, embedded in a generic early galaxy,” Naidu said. “But what is special about MoM-BH*-1 is the black hole star is essentially completely outshining its surrounding host galaxy, such that we’re seeing pure black hole star light.”

That may not be the case forever, though. There is a bright galaxy near MoM-BH*-1 and the two are expected to merge in about 100 million years. At that point it could match the appearance of other little red dots.

“Astronomers have never lacked imagination”

Little red dots might not be the only mystery MoM-BH*-1 can shed light on, as the unusual object could potentially help explain "problematic quasars," a group of objects that appear to be quasars but are far too massive compared with what we'd expect for their age.

“Astronomers have never lacked imagination: since the discovery of quasars, there has been no dearth of theories to explain how these black holes grew so massive so fast,” said Naidu. 

“Something spectacular must have happened in the early universe. Now with JWST, we can directly observe this era and see for ourselves which scenarios actually occur.”

Once encased in a galaxy, there is a possibility that MoM-BH*-1 may transform into a problematic quasar.

MoM-BH*-1 is not entirely unique, however. At the time astronomers first announced their finding on Arxiv.org, they also reported an object dubbed The Cliff for a similarly extreme Balmer break. We are seeing the Cliff about 2 billion years after MoM-BH*-1, around the time star formation in the universe peaked. 

A further black hole star candidate of similar age to The Cliff has also been found, but it is likely these were late stragglers. Being so much closer to Earth, we can see them far more easily than those from MoM-BH*-1’s time, which struggle to stand out unless they happen to be fantastically bright.

Proving Naidu’s point about imagination, three years ago a paper drew attention for proposing apparently ordinary stars might have small black holes at their cores. 

Inspired by Soundgarden’s song Black Hole Sun, Dr Earl Bellinger modeled whether we could tell if stars had black holes inside them and concluded that a black hole the mass of an asteroid would be impossible to detect. 

Planetary mass black holes would change the timing of the star’s conversion to a red giant, however, so a class of stars known as red stragglers might be powered this way. 

MoM-BH*-1 clearly operates on an entirely different scale, and arguably shouldn’t really be considered a star. Nevertheless, its existence might cause second looks at Bellinger’s work.

The study is published in Nature.

ith a radius the size of Neptune's orbit

Image credit: Jose-Luis Olivares, M

An artist's somewhat imaginative portrayal of a supermassive black hole surrounded by dense layers of gas in a ball with a radius the size of Neptune's orbit Image credit: Jo