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   Latvijas Astronomijas biedrība

Meteoritical Bulletin Database
News feed for newly approved meteorites:

• El Hadjira 002 (Lunar (melt breccia)) 2026-02-10
• El Mrira 002 (CM1) 2026-02-10
• Northwest Africa 17513 (Eucrite-melt breccia) 2026-02-10
• Northwest Africa 18267 (Mesosiderite) 2026-02-10
• Northwest Africa 18328 (CK4) 2026-02-10
• Northwest Africa 18430 (L3) 2026-02-10
• Northwest Africa 18433 (CO3) 2026-02-10
• Northwest Africa 18434 (CK4) 2026-02-10
• Xinjiang 038 (Martian (shergottite)) 2026-02-10
• Yagan 004 (L3) 2026-02-10
• Catalina 1003 (H3) 2026-02-02
• Catalina 1004 (H3) 2026-02-02
• Northwest Africa 18329 (CK6) 2026-02-02
• Northwest Africa 18330 (CK6) 2026-02-02
• Northwest Africa 18331 (CK6) 2026-02-02
• Northwest Africa 18332 (CVox3) 2026-02-02
• Northwest Africa 18333 (R3-5) 2026-02-02
• Northwest Africa 18337 (R3-6) 2026-02-02
• Northwest Africa 18338 (CV3) 2026-02-02
• Northwest Africa 18340 (Eucrite) 2026-02-02

NASA CNEOS

• NASA Discovers Interstellar Comet Moving Through Solar System
  2025-07-02
  On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations of a comet that originated from interstellar space.
• Latest Calculations Conclude Asteroid 2024 YR4 Now Poses No Significant Threat to Earth in 2032 and Beyond
  2025-02-24
  NASA has significantly lowered the risk of near-Earth asteroid 2024 YR4 as an impact threat to Earth for the foreseeable future.
• Asteroid 2024 YR4 reaches level 3 on the Torino Scale
  2025-01-31
  NASA analysis of a near-Earth asteroid, designated 2024 YR4, indicates it has a small chance of impacting Earth on Dec. 22, 2032.
• NASA Study: Asteroid’s Orbit, Shape Changed After DART Impact
  2024-03-19
  After NASA’s historic Double Asteroid Redirection Test, a JPL-led study has shown that the shape of asteroid Dimorphos has changed and its orbit has shrunk.
• NASA System Predicts Impact of a Very Small Asteroid Over Germany
  2024-01-24
  The Scout impact assessment system calculated where and when the asteroid 2024 BX1 would impact Earth’s atmosphere, providing a useful demonstration of planetary defense capability.
• CNEOS Predicts Another Small Asteroid Impact, This One over Northwestern France
  2023-02-14
  Another tiny asteroid on a collision course with Earth was detected over the weekend, and JPL’s CNEOS Scout system accurately predicted where and when the impact would happen, well before it actually occurred.
• NASA System Predicts Small Asteroid to Pass Close by Earth This Week
  2023-01-25
  On Thursday, Jan. 26, a small near-Earth asteroid will have a very close encounter with our planet. Designated 2023 BU, the asteroid will zoom over the southern tip of South America at about 4:27 p.m. PST (7:27 p.m. EST) only 2,200 miles (3,600 kilometers) above the planet’s surface and well ...
• NASA Program Predicted Impact of Small Asteroid Over Ontario, Canada
  2022-11-22
  In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth’s atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn’t a surprise. Roughly 1 ...
• US Space Force Releases Decades of Bolide Data to NASA for Planetary Defense Studies
  2022-04-07
  Hosted by JPL’s Center for Near Earth Object Studies, the data can be used by the science community to better understand how asteroids break up when entering the atmosphere.
• Updated Calculations Refine the Impact Probability for (29075) 1950 DA
  2022-03-29
  (29075) 1950 DA is a kilometer-sized asteroid that will make a close approach to Earth in 2880 and, because of the corresponding impact probability and size, has ranked at the top of the Sentry risk list since 2014.

Space.com

• Watch a bright fireball blaze a 48-mile path over the Midwest US (video)
  2026-02-12
  A meteor triggered a flurry of fireball sightings on Feb. 10
• Can a nonprofit help protect Earth from dangerous asteroids? How the B612 Foundation has taken on the challenge
  2026-02-12
  For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the public about the threats space rocks pose to Earth.
• Asteroid samples NASA brought to Earth suggest life's building blocks may be widespread in the universe
  2026-02-11
  The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.
• Morgan Freeman narrates the glorious rise and meteoric fall of 'The Dinosaurs' in new Netflix series (video)
  2026-02-11
  Steven Spielberg and Amblin Entertainment's 4-part dino-doc arrives March 6
• Could the remains of a 'dead' comet still be in the solar system? Astronomers are still searching 6 years later
  2026-02-11
  The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system.
• Did the Viking missions discover life on Mars 50 years ago? These scientists think so
  2026-02-10
  The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.
• Interstellar comet 3I/ATLAS survived its flyby of the sun — and gave up some secrets in the process
  2026-02-09
  Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets of worlds we may never see directly.

Astronomy Now

• Potentially bright ‘sungrazing’ comet discovered
  2026-01-16
  A potentially large member of the Kreutz family comets is speeding its way to a perihelion encounter during the first week of April this year. The object was discovered on 13 January 2026.
• Meteor shower calendar
  2025-11-14
  There are many meteor showers throughout the year. Here are the most prominent.
• How to observe meteor showers
  2025-11-14
  Everything you need to know to get started with observing meteors.
• How to see Comet Lemmon
  2025-10-29
  Don't miss the chance to see Comet C/2025 A6 (Lemmon) as it races towards its closest approach of the Sun on 8 November.

Univere Today

• Non-biologic Processes Can't Fully Explain the Organics Curiosity Found on Mars, Providing More Potential Evidence of Life.
  2026-02-13
  In a new study, researchers say that non-biological sources they considered could not fully account for the abundance of organic compounds in a sample collected on Mars by NASA’s Curiosity rover.
• New Sungrazer Comet A1 MAPS Could Be Bright in Early April If It Survives Perihelion
  2026-02-11
  In a clockwork predictable Universe, comets and how they will ultimately perform is always a big wild card. A new sungrazer comet discovered at the start of this year has given astronomers pause. C/2026 A1 MAPS could put on a memorable if brief show in early April, if it doesn’t ...
• NASA's SPHEREx Mission Spots 3I/ATLAS's Bright Envelope
  2026-02-11
  Observations by NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS’s coma.
• Hunting for the Lunar Debris Hiding Near Earth
  2026-02-10
  The Moon has a long history of being smacked by large rocks. Its pock-marked, cratered surface is evidence of that. Scientists expect that, as part of those impacts, some debris would be scattered into space - and that we should be able to track it down. But so far, there ...
• How a Single Martian Storm Triggered Massive Water Loss
  2026-02-10
  Mars’ water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went. Data from rovers like Perseverance and Curiosity, along with orbiting satellites such as the Mars Reconnaissance Orbiter and ExoMars have shown that Mars used to be a wet world with an active hydrodynamic cycle. ...

The Planetary Society

• Better together
  2026-01-30
  Martian travel buddies, synchronized Sun science, and a proven leadership team.
• Pictures, pixels, and picks
  2025-12-19
  Great pictures of a planet and a comet, and great picks from a year of our virtual book club.
• What is comet 3I/ATLAS?
  2025-10-07
  A roundup of key facts and surprising discoveries about the third known interstellar object.
• Mars rock and roll
  2025-10-03
  A Mars rock may hold answers in the search for life, and spacecraft might roll along its surface. Plus, meet the red planet’s Rolling Stones Rock.

Space Daily

• Chang'e-6 farside samples reshape lunar impact history
  2026-02-13
  Tokyo, Japan (SPX) Feb 13, 2026 Scientists from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (CAS), the CAS Aerospace Information Research Institute, and collaborating institutions have used samples from China's Chang'e-6 mission to revise the long-standing lunar crater chronology model. The new analysis relies on material ...
• ESA signs Ramses spacecraft and cubesat deals for Apophis flyby
  2026-02-13
  Los Angeles CA (SPX) Feb 13, 2026 On 10 February 2026 the European Space Agency signed a contract with OHB Italia to develop the Rapid Apophis Mission for Space Safety, known as Ramses, securing the next phase of Europes dedicated mission to asteroid Apophis ahead of its close Earth flyby in ...
• Titan may have formed in a giant impact between ancient Saturn moons
  2026-02-13
  Los Angeles CA (SPX) Feb 13, 2026 Recent modeling work suggests that Saturns largest moon, Titan, may be the product of a violent collision between two earlier moons rather than a relic left over from the systems formation. In this scenario, a large Proto Titan and a smaller Proto Hyperion merged ...

Phys.org

• Space mining without heavy machines? Microbes harvest metals from meteorites aboard space station
  2026-02-11
  If humankind is to explore deep space, one small passenger should not be left behind: microbes. In fact, it would be impossible to leave them behind, since they live on and in our bodies, surfaces and food. Learning how they react to space conditions is critical, but they could also ...
• Building blocks of life discovered in Bennu asteroid rewrite origin story
  2026-02-09
  Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an asteroid called Bennu, delivered to Earth in 2023 by NASA's OSIRIS-REx mission. How those amino acids—the molecules that create proteins and peptides in DNA—formed in space was a mystery, but new research ...
• Neutron scans reveal hidden water in famous martian meteorite
  2026-02-04
  New tools unlock new discoveries in science. So when a new type of non-destructive technology becomes widely available, it's inevitable that planetary scientists will get their hands on it to test it on some meteorites. A new paper, available on the arXiv preprint server, by Estrid Naver of the Technical ...
• How brick-building bacteria react to toxic chemical in Martian soil
  2026-01-30
  Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space missions.
• Ancient Martian beach discovered, providing new clues to red planet's habitability
  2026-01-27
  New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface water in a Martian crater that once held a vast lake—considerably expanding the timeline for potential habitability at this ancient site. In an international study led by Imperial College London, researchers uncovered that ...
• A new study of lunar rocks suggests Earth's water might not have come from meteorites
  2026-01-25
  For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a period when planets and bodies in the solar system experienced a much higher rate of impacts.

• A new comet was just discovered. Will it be visible in broad daylight?
  2026-02-05
  A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers with a remotely operated telescope in the Atacama desert on January 13.

• Jupiter-family comet 41P/TGK slows down and reverses spin after perihelion
  2026-02-12
  New analysis on 2017 Hubble images of the Jupiter-family comet, 41P/Tuttle–Giacobini–Kresak (41P/TGK), indicates that the comet underwent a spin reversal between April and December 2017. While this behavior is not unheard of, 41P/TGK's rotational changes were deemed "particularly dramatic" in the new paper published on the arXiv preprint server.
• Chang'e-6 samples constrain lunar impact flux and illuminate early impact history
  2026-02-10
  Scientists from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (CAS), the CAS Aerospace Information Research Institute, and other institutions, have revised the decades-old lunar crater chronology model, using samples collected from the far side of the moon by China's Chang'e-6 mission and complementary remote sensing ...
• Building blocks of life discovered in Bennu asteroid rewrite origin story
  2026-02-09
  Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an asteroid called Bennu, delivered to Earth in 2023 by NASA's OSIRIS-REx mission. How those amino acids—the molecules that create proteins and peptides in DNA—formed in space was a mystery, but new research ...
• A new comet was just discovered. Will it be visible in broad daylight?
  2026-02-05
  A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers with a remotely operated telescope in the Atacama desert on January 13.
• Neutron scans reveal hidden water in famous martian meteorite
  2026-02-04
  New tools unlock new discoveries in science. So when a new type of non-destructive technology becomes widely available, it's inevitable that planetary scientists will get their hands on it to test it on some meteorites. A new paper, available on the arXiv preprint server, by Estrid Naver of the Technical ...
• An unusual dust storm on Mars reveals how the red planet lost some of its water
  2026-02-04
  The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the red planet was, in its early days, a much wetter and more dynamic world. Reconstructing how this water-rich ...
• Reading the moon's diary, one speck of dust at a time
  2026-02-04
  Magnetism on the moon has always been a bit confusing. Remote sensing probes have noted there is some magnetic signature, but far from the strong cocoon that surrounds Earth itself. Previous attempts to detect it in returned regolith samples blended together all of the rocks in those samples, leading to ...
• As Rubin's survey gets underway, simulations suggest it could find about six lunar-origin asteroids per year
  2026-02-02
  Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an Earth quasi-satellite whose reported spectrum resembles lunar material and which is a target of China's Tianwen-2 ...

• Space mining without heavy machines? Microbes harvest metals from meteorites aboard space station
  2026-02-11
  If humankind is to explore deep space, one small passenger should not be left behind: microbes. In fact, it would be impossible to leave them behind, since they live on and in our bodies, surfaces and food. Learning how they react to space conditions is critical, but they could also ...

Science Daily

• NASA scientists say meteorites can’t explain mysterious organic compounds on Mars
  2026-02-12
  Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds — decane, undecane, and dodecane — may be fragments of fatty acids, which on Earth are most often linked to life. While non-living processes like meteorite ...
• Asteroid Bennu reveals a new pathway to life’s chemistry
  2026-02-13
  Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as scientists long believed. Isotopic clues show Bennu’s chemistry differs sharply from well-studied meteorites, pointing to multiple pathways for ...
• Interstellar comet 3I/ATLAS is spraying water across the solar system
  2026-02-11
  For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s Swift Observatory toward it, they caught the first-ever hint of water from such an object, detected through a faint ultraviolet ...
• Chang’e-6 lunar samples reveal a giant impact reshaped the Moon’s interior
  2026-02-08
  A colossal ancient impact may have reshaped the Moon far more deeply than scientists once realized. By analyzing rare lunar rocks brought back by China’s Chang’e-6 mission from the Moon’s largest crater, researchers found unusual chemical fingerprints pointing to extreme heat and material loss caused by a giant impact. The ...
• Mars’ water mystery may have a simple ice answer
  2026-02-06
  Scientists have found that ancient Martian lakes could have survived for decades despite freezing air temperatures. Using a newly adapted climate model, researchers showed that thin, seasonal ice could trap heat and protect liquid water beneath. These lakes may have gently melted and refrozen each year without ever freezing solid. ...
• NASA’s Perseverance rover completes the first AI-planned drive on Mars
  2026-01-31
  NASA’s Perseverance rover has just made history by driving across Mars using routes planned by artificial intelligence instead of human operators. A vision-capable AI analyzed the same images and terrain data normally used by rover planners, identified hazards like rocks and sand ripples, and charted a safe path across the ...
• Strange white rocks on Mars hint at millions of years of rain
  2026-01-27
  Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These aluminum-rich clays, called kaolinite, usually form on Earth only after millions of years of heavy rainfall in warm, humid environments—conditions similar to tropical rainforests. Their presence on today’s cold, dry Mars ...

BBC Science

• Nasa's mega Moon rocket arrives at launch pad for Artemis II mission
  2026-01-18
  Final preparations now get underway for the first crewed mission to the Moon in more than 50 years.
• Asteroid contains building blocks of life, say scientists
  2025-01-29
  Bennu contains minerals and thousands of organic molecules, including the chemical components that make up DNA.
• Nasa's mega Moon rocket arrives at launch pad for Artemis II mission
  2026-01-18
  Final preparations now get underway for the first crewed mission to the Moon in more than 50 years.

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