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Saturday, November 7, 2026

Don't miss: Meteor showers, fireballs, and a supermoon light up November's night sky

 

November delivers meteor showers, a rare-looking Mars-Jupiter pairing, a stunning supermoon, and an extraordinary milestone for NASA's Voyager 1. Credit: Shutterstock

November 2026 is packed with celestial events worth watching, from brilliant meteors streaking across the sky to a striking encounter between Mars and Jupiter. NASA's Voyager 1 spacecraft is also approaching an extraordinary milestone, while a dazzling supermoon will close out the month.

Three meteor showers offer multiple opportunities to catch shooting stars, including occasional fireballs bright enough to stand out dramatically against the night sky. Meanwhile, two of the solar system's most recognizable planets will appear unusually close together just before sunrise.

As if that weren't enough, humanity's most distant spacecraft is reaching a point where radio signals from Earth take an entire day to arrive.

Here's what NASA recommends watching for in November.


November 2026 Skywatching Highlights

  • Around November 5: The Southern Taurid meteor shower reaches its peak, with the possibility of exceptionally bright fireballs.
  • Around November 12: The Northern Taurids peak, producing approximately five meteors per hour under ideal viewing conditions.
  • November 15 and 16: Mars and Jupiter appear just 1.2 degrees apart in the southeastern sky before sunrise.
  • November 17: NASA celebrates Voyager 1's historic distance milestone with its Shine Bright for Voyager's Light-Day activation.
  • November 17 and 18: The Leonid meteor shower offers its best viewing opportunities before dawn, after the Moon sets, with potentially 15 meteors per hour under ideal conditions.
  • November 24: A full supermoon illuminates the evening sky, beginning a sequence of three consecutive supermoon.

Three Meteor Showers Could Light Up November's Sky

November gives skywatchers several chances to see meteors flash across the darkness. The first opportunities come from the Southern and Northern Taurids, two related meteor showers that reach their highest activity levels about a week apart.

The Southern Taurids peak around November 5, followed by the Northern Taurids around November 12. Both showers get their names from the constellation Taurus, where their meteors appear to originate when viewed from Earth.

Neither shower is especially prolific. Even under excellent conditions, each typically produces only about five meteors per hour. However, the Taurids are known for occasionally producing impressive fireballs, exceptionally bright meteors that can make even a relatively quiet night of skywatching memorable.

The Leonids provide another opportunity later in the month. Their best viewing periods are expected during the early morning hours of November 17 and 18, particularly after the Moon has disappeared below the horizon. Under ideal conditions, observers could see approximately 15 meteors per hour, although actual counts will generally be lower.

For the best chance of spotting meteors, travel somewhere away from bright city lights. Allow your eyes roughly 30 minutes to become accustomed to the darkness, then watch a broad section of the sky rather than concentrating on one small area.


Mars and Jupiter Appear Almost Side by Side

Meteor showers aren't the only reason to get outside before dawn. On November 15 and 16, Mars and Jupiter will create an eye-catching pairing in the southeastern sky.

The two planets will appear separated by only about 1.2 degrees, slightly more than the apparent width of two full Moons placed next to each other.

Jupiter will be the brighter of the two, making it relatively easy to identify. Nearby, Mars will stand out with its characteristic reddish appearance.

No telescope or binoculars will be necessary to enjoy the sight. Both planets should be readily visible to the unaided eye under suitable viewing conditions.

Although they will appear remarkably close from Earth's perspective, Mars and Jupiter remain separated by enormous distances in space. Their apparent proximity is simply a result of their positions along our line of sight.

Watching the planets over several consecutive mornings will reveal another interesting feature of their motion. They will gradually appear to move closer together before their positions shift and they begin separating again.


Voyager 1 Reaches an Extraordinary Deep Space Milestone

While November offers plenty to observe in Earth's skies, something equally remarkable is happening far beyond the planets.

NASA's Voyager 1 spacecraft is reaching a historic distance of one light-day from Earth, becoming the first human-made object ever to travel that far from our planet.

A light-day is the distance light travels through space in 24 hours. Because radio signals move at the speed of light, a message transmitted from Earth will require an entire day to reach Voyager 1 at that distance.

If the spacecraft sends a response immediately, the return signal will take another 24 hours to arrive. That means even the fastest possible round-trip communication will require approximately 48 hours.

The milestone illustrates just how far Voyager 1 has traveled since leaving Earth and how challenging it has become to communicate with a spacecraft exploring such distant regions of space.

To get a sense of the spacecraft's current direction, look toward the constellation Ophiuchus, also known as the Serpent Bearer. Voyager 1 is traveling through space in that general direction, far beyond anything visible to the unaided eye.

NASA is marking the achievement on November 17 with its Shine Bright for Voyager's Light-Day activation, inviting people to celebrate this extraordinary accomplishment in space exploration.


November's Supermoon Begins a Three-Month Celestial Show

The final major skywatching highlight arrives on November 24, when a full supermoon will rise into the evening sky.

A supermoon occurs when a full Moon coincides with a period when the Moon is relatively close to Earth in its orbit. Because the Moon follows a slightly elliptical path rather than a perfect circle, its distance from our planet changes throughout the month.

When a full Moon occurs near the closer portion of that orbit, it can appear somewhat larger and brighter than an average full Moon. Although the difference is real, it is often subtle enough that casual observers may not immediately notice it.

November's event is particularly noteworthy because it begins a sequence of three consecutive supermoons. Another will follow in December, with a third arriving in January.

For an especially memorable view, NASA recommends looking toward the eastern horizon around sunset on November 24, when the full Moon will be rising.

The Moon may seem unusually enormous when it first appears near the horizon. However, much of that dramatic impression comes from a familiar visual phenomenon called the Moon illusion.

This optical effect makes the Moon appear larger when it is close to the horizon than when it is high overhead, even though its actual apparent size changes very little. The illusion can occur during any full Moon, not just a supermoon.

With three meteor showers, a close planetary pairing, a historic Voyager 1 milestone, and the beginning of a supermoon series, November offers plenty of reasons to look up and explore the night sky.


Story Source:

Materials provided by NASA's Jet Propulsion Laboratory.

www.sciencedaily.com/releases/2026/11/261105224547.htm

Posted by EverSubtle on November 07, 2026 No comments:
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Thursday, November 5, 2026

Defense News: Czech Republic Plans to Buy Four Rafael SPYDER All-in-One Systems

Czech Republic Plans to Buy Four Rafael SPYDER All-in-One Systems


The defense minister said a contract is expected around the turn of the year, after four batteries of the previous model have already arrived in the country.

By Ami Rojkes Dombe, israeldefense.co.il, 04/11/2026
https://www.israeldefense.co.il/en/node/72422

                            The SPYDER mobile air defense system (Photo: Rafael)


According to a report by the Czech news agency ČTK published on Novinky on October 27, the Czech Ministry of Defense is preparing to acquire four SPYDER All-in-One air defense systems manufactured by Rafael, with the contract likely to be signed around the turn of the year. The statement was made by Defense Minister Jaromír Zůna during a session of the Czech Parliament's Defense Committee.

According to the minister, the new version could not be acquired through an addendum to the previous SPYDER contract, necessitating a separate agreement. Zůna added that project preparations took 11 months, even though its specifications were not yet ready at the start of this year.

The SPYDER All-in-One is a newer configuration of the Israeli system. Unlike the original layout, where the radar, launcher, and command unit are distributed across multiple vehicles, the new version integrates all these components onto a single chassis.

                            The SPYDER mobile air defense system (Photo: Rafael)

In 2021, the Czech Republic ordered four batteries of the previous SPYDER version for 13.7 billion Czech korunas under a government-to-government agreement between the Czech Ministry of Defense and the Israeli government. All four batteries have already arrived in the Czech Republic and were publicly displayed in September during NATO Days in Ostrava. Their operational integration into the Czech armed forces is expected to continue through 2027, according to an earlier assessment by the minister. The systems are intended to replace Soviet-era 2K12 Kub systems used by the Czech military since the 1970s.

Zůna also mentioned additional air defense projects included in the Czech military's force buildup plan currently being prepared, though the report did not detail their scope or schedules beyond what was stated regarding the SPYDER All-in-One.




THIS PAGE WAS POSTED BY SPUTNIK ONE OF THE SPUTNIKS ORBIT BLOGhttps://disqus.com/HOME/FORUM/THESPUTNIKSORBIT-BLOGSPOT-COM
Posted by Sputnik One on November 05, 2026 No comments:
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Fluorescent Glow Reveals Hidden Glaze on Chauvet Cave’s Ancient Art

 

The Horses panel in Chauvet Cave, France. Image credit: Boulard et al., doi: 10.1021/acsomega.6c05061




Hundreds of paintings and engravings of rhinoceroses, mammoths, lions, horses, bison, and other fauna remain in an exceptional state of conservation, owing to multiple collapses that sealed off Chauvet Cave during the Upper Paleolithic.

With its decoration dated to 37,000 years ago, the site offers a unique insight into the very beginning of art.

The artworks found in such subterranean environments remain very fragile. Their condition depends on a delicate balance of environmental parameters, raising major concerns for the management of renowned sites and their accessibility for the general public.

“Our methodology is much like forensic investigation,” said Dr. Philippe Walter, lead author on the study.

“We examine every piece of evidence to decode the techniques of prehistoric artists and understand how the paintings have been preserved over time.”

The team’s technique relies on ultraviolet (UV) fluorescence: shining a UV beam on the cave wall and analyzing the faint light that comes back.

The floor of Chauvet Cave holds well-preserved animal tracks and human footprints, so visitors are limited to narrow walkways. Tis keeps scientists 1 to 6 m from the panels, too far for many standard analytical tools.

The researchers built a spectroscopy instrument around a 3-m fiber-optic bundle on a carbon-fiber pole, a 365-nanometer ultraviolet LED and a battery pack, and used it to take measurements from up to 2.5 m away in the cave’s humid, 13-degree-Celsius air.

The technique works because the cave’s bedrock limestone and the calcite deposits that form on top of it, though chemically near-identical, glow differently under UV light.

Organic impurities trapped in each material give them distinct spectral signatures.

Charcoal, the pigment used for the drawings, absorbs ultraviolet light and does not glow.

On the black lines of the Horses Panel, the scientists found that the light that did emerge came mostly from calcite, not limestone.

They take this as evidence that a thin calcite layer lies over the drawings.

They suggest such a layer may act as a natural varnish, though it could also conceal art if it grows thick and opaque.

In the Alcove of the Lions, where water seeping in after the cave’s human occupation ended produced calcite flows, the authors found that some charcoal lines appeared to mark the boundaries of the flow.

In places, calcite formed on bare rock but not over the pigment, suggesting the drawings influenced how the mineral crystallized.

Dr. Walter and colleagues also noticed an unexpected orange glow beneath some charcoal marks and around smears left by torches.

In lab tests, only heated limestone and heated calcite produced a similar orange signal, while tar and degraded charcoal did not.

The researchers propose that some lines were drawn with hot or even burning charcoal that altered the rock underneath.

“These results showcase the careful interaction between humans and geology that allowed these artworks to be preserved for tens of thousands of years,” they said.

“We anticipate that the technique also has applications from forensic science to monitoring biofilms onboard the International Space Station — a project already underway.”

A paper describing the results was published this month in the journal ACS Omega.

www.sci.news/archaeology/chauvet-cave-art-15163.html

Yohan Boulard et al. 2026. In Situ Ultraviolet Fluorescence Spectroscopy for the Characterization of Translucent Calcite Coatings over Prehistoric Cave Art. ACS Omega 11 (40): 60980-60990; doi: 10.1021/acsomega.6c05061

Posted by EverSubtle on November 05, 2026 No comments:
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Tuesday, November 3, 2026

Defense News: Elbit Systems to Unveil UUV Capabilities at Euronaval

Elbit Systems to Unveil UUV Capabilities at Euronaval

The Israeli company is expanding its maritime autonomy portfolio into the underwater domain following its acquisition of ISE, integrating UUVs with its Seagull USVs.


By Ami Rojkes Dombe, israeldefense.co.il, 01/11/2026
https://www.israeldefense.co.il/en/node/72240


(photo credit: ELBIT SYSTEMS)

Haifa-based Elbit Systems announced that it will debut its unmanned underwater vehicle (UUV) capabilities at the Euronaval 2026 exhibition.

The UUV solutions will be presented alongside the company's Seagull unmanned surface vessel (USV) family, as well as additional systems from Elbit Systems' extensive naval portfolio.

This debut marks the expansion of the company's autonomous maritime offerings into the underwater domain, reflecting a strategic move that tightly integrates existing operational capabilities with recently acquired advanced technologies.

These new capabilities join Elbit Systems' portfolio following its acquisition of International Submarine Engineering Ltd. (ISE), a leading provider of autonomous underwater systems that has delivered more than 250 submersibles to customers in over 20 countries worldwide.


International Submarine Engineering Ltd. (ISE)'s Explorer Autonomous Underwater Vehicle. ISE was acquired by Israeli defense giant Elbit. Published October 20, 2026.  (photo credit: ELBIT SYSTEMS)

The integrated architecture enables synchronized operations between autonomous underwater and surface systems, while opening expanded operational opportunities for Manned-Unmanned Teaming (MUM-T) concepts to enhance response in the theater.

The systems support extended long-range autonomous operations and incorporate a variety of dedicated payloads, including advanced sonars, intelligence, surveillance, and reconnaissance (ISR) systems, and specialized sensors tailored to diverse naval missions.

With more than 40 years of accumulated experience in autonomous systems, Elbit Systems has developed and deployed operational unmanned solutions across air, land, and sea domains. In the maritime arena, the company has been active for more than a decade, with mature unmanned systems already in routine operational use by customers worldwide.

The expansion into the underwater domain further reinforces Elbit Systems' end-to-end maritime autonomy offering, bringing together UUVs, the Seagull USV family, mission systems, payloads, sonars, advanced communications, and autonomous mission management capabilities into a unified operational architecture.

The company's vertical integration approach enables the creation of coordinated autonomous maritime formations tailored to evolving operational requirements, supporting integrated mission planning, launch and recovery phases, and the successful execution of complex coordinated surface and subsurface missions.

Oren Sabag, General Manager of Elbit Systems ISTAR & EW, stated that navies are increasingly seeking comprehensive autonomous solutions for complex maritime missions. He added that the addition of UUV capabilities further expands the company's autonomous maritime portfolio and strengthens its ability to deliver an end-to-end operational response spanning surface and subsurface autonomous systems, payloads, and mission management capabilities.

At Euronaval 2026, Elbit Systems will showcase a range of autonomous solutions designed to support modern naval operations and evolving maritime security challenges, as part of a maritime portfolio that includes command and control, electronic warfare, electro-optics, precision munitions, coastal defense, and comprehensive underwater warfare solutions.


THIS PAGE WAS POSTED BY SPUTNIK ONE OF THE SPUTNIKS ORBIT BLOGhttps://disqus.com/HOME/FORUM/THESPUTNIKSORBIT-BLOGSPOT-COM
Posted by Sputnik One on November 03, 2026 No comments:
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Monday, November 2, 2026

Archaeology News: Using an 800,000-year-old tooth, researchers unlock the secrets of Israel’s ancient elephant haven

 

Using an 800,000-year-old tooth, researchers unlock the secrets of Israel’s ancient elephant haven


Archaeologists uncover clues to the lives of giant elephants and early humans who shared Israel’s Hula Valley nearly 800,000 years ago.

By Judy Siegal-Itzkovich, Jerusalem Post, October 24, 2026

https://www.jpost.com/science/article-912524


Hula valley's Gesher Benot Ya’aqov. (photo credit: Tel-Hai University of Kiryat Shmona in the Galilee and Hannah Farrell, University of Haifa)

Long before modern history, the Hula Valley’s Gesher Benot Ya’aqov was as close to a Garden of Eden as the ancient world could offer. The site at the “Daughters of Jacob Bridge” is so even today.

Nearly 800,000 years ago, during the Middle Pleistocene Era, giant straight-tusked elephants, hippos, and rhinoceroses roamed a lush sanctuary of woodlands, wetlands, and waterways.

Living alongside these massive creatures were the region’s earliest humans – hominin toolmakers who left behind a remarkable record of survival along the Levantine corridor.

Nestled in northern Israel, the Hula Valley has long served as a vital bridge between Africa and Eurasia. Today, remarkable finds –including a well-preserved ancient elephant tooth and basalt handaxes – provide evidence of giant elephants and early toolmakers that together made the Hula Valley their home.

Saber-tooth tigers, rhinoceroses, hippopotami, giant wild cattle deer, gazelles, wild boars, freshwater turtles, lizards, and snakes shared the lush landscape of woodlands, wetlands, and waterways during the Middle Pleistocene Era that began some 780,000 years ago. But among the most impressive creatures were giant elephants alongside hominids – the Hula Valley’s most ancient humans.

Prof. Gonen Sharon. (credit: TEL-HAI UNIVERSITY OF KIRYAT SHMONA IN THE GALILEE)

Today, elephants, or other large animals, are kept in Ramat Gan’s Safari or Jerusalem’s Biblical Zoo, but the area remains verdant and bountiful, according to archaeologists from Tel-Hai University of Kiryat Shmona in the Galilee and colleagues at the University of Haifa and Tel Aviv University.

They found a remarkably preserved elephant tooth and tusk fragments at the prehistoric site in northern Israel, where early humans made stone tools – basalt handaxes and cleavers that were hallmark tools of the Acheulian tradition, one of the earliest and most widespread stone-tool technologies in human history.

The resource-rich environment that helped sustain both large mammals and early humans along the Levantine land bridge connecting Africa and Eurasia remains.

After studying the area for more than three decades, the archaeologists have just published their latest findings in Quaternary Science Reviews under the title “Elephant dental remains from the Acheulian site at North Bridge Acheulian-Gesher Benot Ya’aqov: hominin behavior and environmental implications.”

The study was led by University of Haifa doctoral student Hannah Farrell, at the site and excavated by Prof. Gonen Sharon of Tel-Hai. The team included Cheryl Makarewicz (isotope studies) and Nimrod Marom (archaeozoology) from the University of Haifa, along with Minji Jin and Dafna Langgut (pollen studies) from Tel Aviv University.

The research focuses on a giant elephant molar and tusk fragments discovered alongside Acheulian stone tools at Gesher Benot Ya’aqov’s northern locality located in the valley in northern Israel. The remains belonged to Palaeoloxodon antiquus, the straight-tusked elephant, one of the largest land mammals of the Pleistocene.

Rather than studying the elephant alone, researchers said they used the tooth as a biological archive to reconstruct the broader ecosystem shared by large mammals and early human toolmakers. “We applied high-resolution CT scanning of the tusk and molar recovered from the site,” Sharon noted.

The valley has abundant water, emanating from the Hermon Mountain range (mostly as melted snow), feeding underground springs and accounting for much of the abundant water. Today, the Jordan River with its three main tributaries – the Dan, the Banias and the Hatzbani – is the primary water body of the valley. From as early as the Lower Paleolithic, humans have opted to occupy the Hula Valley.

Today, the bridge is located south of the Hula Valley, probably due to the presence of high basalt there. A stone bridge was built by the Mamluks (an Arabic word that literally means “one who is owned” or “slave”) sometime in the 13th century that was replaced in 1934 by a modern bridge further south during the draining of Lake Hula.

The existing bridge was built almost two decades ago and now forms part of Israeli Highway 91, straddling the boundary between the Galilee and the Golan Heights.

Alongside the broad exposure of archaeological bearing sediments, there are uniquely well-preserved ancient flora specimens – wood, bark, seeds and fruits that provide exclusive data on the environment of the area during the Pleistocene Era and the behavior and diet of early humans in this landscape, Sharon told The Jerusalem Post in an interview. “Understanding how humans and animals responded to environmental change hundreds of thousands of years ago helps us better understand the forces that shaped our species.”

Using CT scanning, 3D reconstruction, microscopic wear analysis, isotope geochemistry, and pollen studies – each field being the expertise of a variety of experts – the team found evidence for a long-lasting landscape of woodlands, grasslands, marshes, rivers, and shallow-water habitats.

Carbon isotope values suggest the elephant lived in a consistently well-watered environment, while pollen recovered from sediments revealed abundant wetland vegetation, including reeds, sedges, willow, tamarisk, and aquatic plants.

Wildlife and human groups both moved via the Levantine Corridor land bridge. “We didn’t actually find human bones because we excavated just 100 square meters, so we would have needed a lot of luck to find them,” he explained. “But we have found tens of thousands of animal bones and tools at the site.”

Conditions for wildlife to survive

The availability of water, vegetation, and animal resources shaped where humans and wildlife could survive, Sharon added. “The wetlands, rivers, and woodlands helped sustain life along one of the world’s earliest migration corridors, offering a rare opportunity to understand the ecological conditions that supported both animals and human populations in that era.

Sharon, who heads the Tel-Hai Prehistory Laboratory, is also curator of the Upper Galilee Museum of Prehistory at Kibbutz Ma’ayan Baruch. He earned his three degrees in archaeology from the Hebrew University of Jerusalem and lives at Kibbutz Lehavot Habashan just 15 minutes away from the archaeological site.

Asked what the single most important discovery that you could not have made without this particular elephant tooth and that the stone tools, other animal bones or sediments alone could not, he said: “The elephant helped us reconstruct the environment; we didn’t find any human skeletons. We found one elephant’s tooth, out of eight altogether that grow in its jaws, but this is what we do. Quite impressive.

“They eat leaves and other vegetarian food, and this wears down their teeth. When all are worn out, they die of hunger.” The teams were able to establish that both the tooth and the stone tools made by humans were contemporaneous, because they came from the same layer. Humans imported the animal tooth to the site.”

They knew that the environment could support a population of elephants, each of which consumed more than a hundred kilos of food per day. “We have collected bones there from the other animals – wild cows. Boars, bears, and birds. We know that the tooth we found belonged to an elephant species weighing about 10 tons.

“The largest in the Safari Zoo – born in 1974 and named Yossi – is only 6.5 to seven tons. The ancient humans were involved in very sophisticated activities, making stone tools and using nuts, wood, and animals. The ancient elephants couldn’t have been easy to hunt and eat. They apparently killed them with spears.”

The site endured seven or eight ice ages, but even if it got colder in the Hula Valley, the inhabitants survived. Europe was covered by destructive ice, but here, the climate didn’t bother the people and environment much even if the temperature dropped by five degrees.”

The latest findings were a pilot study. “We will study more elephants and animals and combine all the evidence. Dozens of people forming many teams – each with expertise on pollen, seeds, frogs, elephants, fish, isotopes, and much more – worked together since 1989. I joined in 1995. I suppose we have 700 or 800 more years to keep us busy,” Sharon joked.



 

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Posted by Sputnik One on November 02, 2026 No comments:
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