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Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā
Meteoritical Bulletin Database
News feed for newly approved meteorites:
: meteors; asteroids; comets; space-junk.

  • It’s time again for Perseid meteors!
    2025-08-08
    August means the Perseids: the annual shooting star spectacular reaches its peak to wow meteor enthusiasts with abundant bright events, writes Astronomy Now's Night Sky manager Mark Armstrong.
  • Ancient "Molten Rock Raindrops" Reveal When Jupiter Was Born
    2025-08-31
    Hidden within meteorites that fall to Earth are tiny spheres that have puzzled scientists for decades. These mysterious droplets, called chondrules, are time capsules from the birth of our Solar Syste and now, a team from Japan and Italy have used them to pinpoint exactly when Jupiter formed, solving a ...
  • Asteroid Bennu Is Like A Time Capsule From The Early Solar System
    2025-08-31
    New research based on samples from asteroid Bennu show that the asteroid contains materials from throughout the Solar System. Some of its materials are from even more distant realms: the asteroid contains stardust from stars that existed long before our Solar System did.
  • Ryugu asteroid research reveals mineral history predating any on Earth
    2025-08-25
    In 2020, the Hayabusa2 uncrewed spacecraft successfully returned small fragments from the near-Earth asteroid Ryugu, providing the first pristine samples from a carbonaceous asteroid. Grains from those samples were studied at the National Synchrotron Light Source II (NSLS-II), revealing new details into the asteroid's composition and origin. This insight could ...
  • Ceres may have had long-standing energy to fuel habitability
    2025-08-20
    New NASA research has found that Ceres may have had a lasting source of chemical energy: the right types of molecules needed to fuel some microbial metabolisms. Although there is no evidence that microorganisms ever existed on Ceres, the finding supports theories that this intriguing dwarf planet, which is the ...
  • Simple instrument could find Martian DNA if it exists
    2025-08-14
    Mars still holds the promise of being one of the first places in the solar system humanity will colonize. However, if there was evolutionarily distinct, extant life on the planet, it might sway the heart of even the most ardent Mars colonization fans. So astrobiologists are in a race against ...
  • Halley-type comet's water holds clues to life on Earth
    2025-08-13
    New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, offering fresh support for the idea that comets may have played a crucial role in delivering water—and possibly some of the molecular ingredients for life—to our planet.
  • Scientists use cosmic dust to reconstruct Earth's atmospheric history
    2025-07-29
    Since the beginning of Earth's history, tiny particles of rock and metal from space have been hitting our planet. On clear nights, we can even see their traces as shooting stars. Trapped in layers of rock, these micrometeorites can remain preserved for billions of years.
  • Mars glaciers found to be over 80% pure ice, study shows
    2025-07-24
    On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In reality, these features are incredibly slow-moving glaciers, and their contents were once thought to be mostly rock enveloped in some ice.
  • Perseverance exploration update: Over Soroya Ridge and onward
    2025-08-28
    Perseverance has continued exploring beyond the rim of Jezero crater, spending time last week at Parnasset conducting a mini-campaign on aeolian bedforms. After wrapping up that work, three separate drives brought Perseverance further southeast to an outcrop named Soroya.
  • Asteroid Bennu is like a time capsule from the early solar system
    2025-08-28
    The ambitious mission to retrieve samples from asteroid Bennu and return them to Earth is paying off. Just as scientists had hoped, the asteroid is revealing details about the early days of our solar system. More than just a simple space rock, research is revealing that Bennu contains not only ...
  • Space rocks tell tale of shared ancient past
    2025-08-26
    Asteroids floating through our solar system are debris left over from when our planetary neighborhood formed 4.6 billion years ago. Scientists study these ancient fragments as time capsules that reveal secrets about our solar system's earliest days. Now, new research has uncovered a surprising connection between two completely different types ...
  • Roman Space Telescope joins Earth's asteroid defense team
    2025-08-26
    When NASA's Nancy Grace Roman Space Telescope launches in October 2026, it won't just be peering into the distant universe to study dark energy and exoplanets. This powerful observatory will also serve as Earth's newest guardian, helping scientists track and understand potentially dangerous asteroids and comets that could threaten our ...
  • Decoding clues in Bennu's surface composition to make sense of far-flung asteroids
    2025-08-26
    New results from OSIRIS-REx, NASA's first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly. How these asteroids reflect light at red and blue wavelengths can give deeper insights into the evolution of rocky bodies in the solar system. ...
  • How the Apollo missions unlocked the origins of the moon
    2025-08-25
    You know, if you think about it, and trust me we're about to, the moon is kind of weird. Of all the terrestrial worlds of the solar system, we're the only one with a substantial natural satellite. Mercury and Venus have nothing. And while Mars technically has two moons, they're ...
  • Ryugu asteroid research reveals mineral history predating any on Earth
    2025-08-25
    In 2020, the Hayabusa2 uncrewed spacecraft successfully returned small fragments from the near-Earth asteroid Ryugu, providing the first pristine samples from a carbonaceous asteroid. Grains from those samples were studied at the National Synchrotron Light Source II (NSLS-II), revealing new details into the asteroid's composition and origin. This insight could ...
  • Molten rock raindrops help trace the history of Jupiter's formation
    2025-08-25
    Four and a half billion years ago, Jupiter rapidly grew to its massive size. Its powerful gravitational pull disrupted the orbits of small rocky and icy bodies similar to modern asteroids and comets, called planetesimals. This caused them to smash into each other at such high speeds that the rocks ...
  • Asteroid Bennu: A time capsule of materials bearing witness to its origin and transformation over billions of years
    2025-08-22
    Asteroid Bennu—the target of NASA's OSIRIS-REx sample return mission, led by the University of Arizona—is a mixture of materials from throughout, and even beyond, our solar system. Over the past few billion years, its unique and varied contents have been transformed by interactions with water and the harsh space environment.
  • To see the world in a grain of sand: Investigating megaripples at Kerrlaguna on Mars
    2025-08-22
    On Mars, the past is written in stone—but the present is written in sand. Last week, Perseverance explored inactive megaripples to learn more about the wind-driven processes that are reshaping the Martian landscape every day.
  • Scientists Have Uncovered When Jupiter Was Born, Solving a Longstanding Mystery
    2025-08-31
    Ancient droplets found in meteorites reveal the history of planet formation. About 4.5 billion years ago, Jupiter expanded quickly into the giant planet we see today. Its immense gravity disturbed the paths of countless rocky and icy objects, known as planetesimals, which resembled present-day asteroids and comets. These disturbances led ...
  • Scientists finally pinpoint Jupiter’s birth using “molten rock raindrops”
    2025-08-27
    Billions of years ago, Jupiter’s violent growth transformed the young solar system, smashing icy and rocky bodies together at incredible speeds. These cataclysmic collisions created tiny molten droplets called chondrules—microscopic time capsules later preserved in meteorites. New research shows that water vapor explosions from planetesimal impacts explain their origin, while ...
  • These asteroids share a strange fingerprint from billions of years ago
    2025-08-23
    Scientists studying asteroids found that two seemingly unrelated types share a strange dusty coating of troilite. By using polarization of light instead of traditional spectra, they uncovered evidence that these space rocks may have originated from the same ancient parent bodies, offering a new glimpse into the chaotic past of ...
  • Ancient solar system crash may explain Bennu and Ryugu’s origin
    2025-08-21
    Scientists from the Southwest Research Institute have found strong evidence that near-Earth asteroids Bennu and Ryugu share a common origin with Polana, a much larger asteroid in the main belt. By comparing James Webb Telescope observations with samples from NASA’s OSIRIS-REx and Japan’s Hayabusa2 missions, researchers discovered spectral similarities suggesting ...
  • Hubble just snapped the clearest-ever picture of a rare interstellar comet
    2025-08-18
    Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at 130,000 miles per hour. Astronomers are using Hubble and other telescopes to better understand its icy nucleus and chemical composition.
: meteorites; asteroids; comets.

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2025/08/31 243   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
31. augustā vēsturē zināmi nokrituši 3 meteorīti:
Orvinio (1872)
Ehole (1961)
Noblesvill (1991)
Pavisam augusta vēsturē zināmi 108 nokrituši meteorīti:
15 jeb 13.9% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen iespējams nokrituši jauni meteorīti:
2024. g. 10. decembrī Amo, Indiana, USA [??]
š.g. 18. februārī Drelów, Poland [??]
š.g. 21. februārī Codyville, USA [??]
š.g. 5. martā Kwalwat Limgaon, India [??]
š.g. 26. jūnijā McDonough, Henry County, Georgia, USA [??]
Apzīmējumi:
- Meteoritical Bulletin Database
- The Catalog of Meteorites, Natural History Museum, UK
- The Encyclopedia of Meteorites, IMCA
[??] - oficiāli vēl neapstiprināts, nav zināmi analižu un klasifikācijas rezultāti
Šobrīd debesīs novērojamas 2 aktīvās meteoru plūsmas:
★★☆☆ α-Aurigids (Maksimums: Sep 01);
★☆☆☆ Antihelion Source (Maksimums: marts-apr. un vēls maijs-jūn.).
Aktuālā informācija par Zemei tuviem objektiem: 
NASA NEO (Near Earth Objects) programma    |    IAU Mazo planētu centrs

Mazliet vēstures

Kopš meteorītikas zinātnes dzimšanas pagājuši 231 gads.
Pirmais zināmais meteorīts Latvijas teritorijā nokrita pirms 205 gadiem.
Otrais zināmais meteorīts Latvijas teritorijā nokrita pirms 162 gadiem.
Trešais zināmais meteorīts Latvijas teritorijā nokrita pirms 161 gada.
Pēdējais zināmais meteorīts Latvijas teritorijā nokrita pirms 135 gadiem.
Pirmais meteorītikai veltītais muzejs Latvijā dibināts pirms 10 gadiem.

 

GADA METEORĪTS
2025
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