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  VAI JŪS ZINĀJĀT, KA...



 
Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā

: meteors; asteroids; comets; space-junk.


  • 2026-07-28
    Long before a human ever sets foot on the Red Planet, we already know how hard the environment is. Once one finally does, the only things protecting them from that harsh environment will be the infrastructure we’ve built up there, and the spacesuit that keeps that in a protective bubble. ...
  • 2026-07-24
    When we think of Mars as the “Red Planet”, the image that comes to mind is just that - a lot of red. That comes from the oxidization of the dust and rocks that cover the planet's surface, but there are some instances where the Red Planet still has a ...


  • 2026-07-24
    The worlds of the solar system are exciting and, so far, mostly pristine places for planetary scientists to study. As space missions continue to travel to Mars, Europa, asteroids and other worlds, questions arise about keeping them safe for continued exploration and observation.
  • 2026-07-28
    Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only creatures that could shelter in burrows or shallow waters survived into the age of mammals that followed.
  • 2026-07-27
    The expansive red bluffs of Western Australia's Yilgarn Craton give the landscape a Martian appearance. It turns out the resemblance is more than superficial: The Yilgarn Craton also shares geological characteristics with lakes in Mars' Terra Sirenum region. T. A. Plattner and colleagues recently characterized those shared features to shed ...
  • 2026-07-24
    Ancient samples from the moon's far side are helping scientists uncover how asteroid impacts shaped the early solar system. The findings challenge decades of thinking about when those impacts occurred and offer new insights into the conditions that influenced Earth's evolution.
  • 2026-07-24
    The worlds of the solar system are exciting and, so far, mostly pristine places for planetary scientists to study. As space missions continue to travel to Mars, Europa, asteroids and other worlds, questions arise about keeping them safe for continued exploration and observation.
  • 2026-07-21
    On Aug. 5, 2026, an abandoned piece of space junk is predicted to crash into the moon near a spot called Einstein Crater. Astronomers will be watching because the collision and aftermath may be visible from Earth.
  • 2026-07-21
    Solar storms may affect weather on Mars when they strike at the same time as major Martian dust storms, a new study suggests for the first time. Researchers found evidence of rising temperatures in the red planet's lower atmosphere when the two events coincided—hinting that Mars may have a more ...
  • 2026-07-28
    Long before a human ever sets foot on the Red Planet, we already know how harsh the environment is. Once a human finally does, the only things protecting them from that environment will be the infrastructure we've built there and the spacesuit that keeps them in a protective bubble. Unfortunately, ...
  • 2026-07-21
    On Aug. 5, 2026, an abandoned piece of space junk is predicted to crash into the moon near a spot called Einstein Crater. Astronomers will be watching because the collision and aftermath may be visible from Earth.
  • 2026-07-15
    What does it take to catch up with a small, tumbling rock hundreds of thousands of kilometers from Earth? For China's Tianwen-2 mission, the answer was a 400-day chase covering roughly 1 billion kilometers (621 million miles) of deep space—one that has just ended in success. The China National Space ...
  • 2026-07-15
    On July 16, 2024, a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty. Now, an international team of researchers reports in the journal Science Advances that a short time later, a meteorite weighing more than 2 pounds crashed ...

  • 2026-07-28
    NASA’s Psyche spacecraft aced its Mars flyby, using the planet’s gravity to speed toward its 2029 encounter with a metal-rich asteroid. The spacecraft tested its cameras, magnetometer, and particle-detecting instruments, capturing unusual views of Mars and measuring its magnetic environment. It also detected neutrons from the planet and spotted the ...
  • 2026-07-24
    China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and glowing coma, offering scientists a glimpse of material born beyond our solar system.
  • 2026-07-25
    A new analysis suggests the Sun holds far more silver than earlier estimates indicated. More advanced models of the solar atmosphere raised the calculated amount by 55 percent, bringing it into much closer agreement with ancient meteorites. The technique may also help scientists track the cosmic origins of silver and ...
  • 2026-07-19
    Researchers have created cosmic dust from scratch by recreating space-like conditions inside glass tubes. The dust contains complex carbon-rich molecules built from elements essential to life and produces infrared signals similar to real material found in space. By studying these laboratory samples, scientists can explore how organic chemistry unfolds around ...
  • 2026-07-19
    The asteroid that wiped out the dinosaurs was likely an exceptionally rare CO chondrite from a distant region of the solar system. Its unusual chemistry suggests that planet-cooling dust and debris, rather than sulfur inside the asteroid, may have delivered the deadliest blow.
  • 2026-07-18
    A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million years ago. The debris was launched from near a gravitational gateway controlled by Jupiter, sending fragments toward Earth, the Moon, and Mars. The bombardment may explain ancient lunar craters and ...
  • 2026-07-14
    NASA's Perseverance rover has reached an impressive new milestone on Mars, completing the equivalent of a full marathon by driving 26.2 miles (42.195 kilometers) across the Red Planet. It accomplished the feat in just five years and four months, reaching the distance on its 1,890th Martian day, less than half ...

Info:
Visit the Meteorite Museum shows in Riga only by prior arrangement!

Инфо:
Посещайте Музей метеоритов только по предварительной записи!

Info:
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2026/07/28 209   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
28. jūlijā vēsturē zināmi nokrituši 3 meteorīti:
Walters (1946)
Essebi (1957)
Sidi Ali Ou Azza (2015)
Pavisam jūlija vēsturē zināmi 123 nokrituši meteorīti:
1 no tiem Latvijā, 25 jeb 20.3% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen iespējams nokrituši jauni meteorīti:
2025. g. 24. decembrī Tana River County, Kenya [??]
š.g. 22. janvārī Indonesia [??]
š.g. 16. februārī Lithuania [??]
š.g. 8. martā Koblenz, Germany [??]
Apzīmējumi:
- Meteoritical Bulletin Database
- The Encyclopedia of Meteorites, IMCA
- paraugs ir Meteoriti.LV kolekcijā Latvijā
[??] - oficiāli vēl neapstiprināts, nav zināmi analīžu un klasifikācijas rezultāti
Šobrīd debesīs novērojamas 5 aktīvās meteoru plūsmas:
★★☆☆ Piscis Austrinids (Maksimums: Jul 28);
★★☆☆ South. δ-Aquariids (Maksimums: Jul 30);
★★☆☆ α-Capricornids (Maksimums: Jul 30);
★★★★ Perseids (Maksimums: Aug 13);
★☆☆☆ 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 232 gadi.
Pirmais zināmais meteorīts Latvijas teritorijā nokrita pirms 206 gadiem.
Otrais zināmais meteorīts Latvijas teritorijā nokrita pirms 163 gadiem.
Trešais zināmais meteorīts Latvijas teritorijā nokrita pirms 162 gadiem.
Pēdējais zināmais meteorīts Latvijas teritorijā nokrita pirms 136 gadiem.
Pirmais meteorītikai veltītais muzejs Latvijā dibināts pirms 11 gadiem.

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    NEOWISE komētas foto 2020-07-18 Rīgā Meteorītu muzejā

    2018. gada 18. decembrī virs Beringa jūras plaši nepamanīts uzsprāga (173 kt TNT) otrs lielākais bolīds jaunāko laiku vēsturē, meteora ķermeņa sākotnējie izmēri apmēram 10 m:
     

    GADA METEORĪTS
    2020
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