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Aicinām Latvijas iedzīvotājus iesaistīties pilsoņu zinātnes akcijā, meklējot meteorītus savā apkārtnē:

  VAI JŪS ZINĀJĀT, KA...



 
Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā


: meteors; asteroids; comets; space-junk.



  • 2025-03-17
    Gravitational slingshots are now a common part of space missions where the trajectory of a spacecraft is altered using the gravity of another body. These often bring fabulous opportunities for an extra bit of bonus science such as that demonstrated by ESA’s Hera mission on its way to asteroid Dimorphos. ...
  • 2025-03-16
    Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different spectroscopic profile than Psyche, for example. So it might come as no surprise that another of the main asteroids - Pallas - is in a class all its own except for the 300 ...
  • 2025-03-13
    If Mars Samples Contain Life, Can We Detect It?


  • 2025-03-19
    Los Angeles CA (SPX) Mar 19, 2025 A comprehensive review in *Meteoritics and Planetary Science* reveals how astronomers have traced the source of various meteorite types to specific, previously unknown regions within the asteroid belt. Through a decade of meticulous observations and analysis, researchers have begun to chart the first geologic ...

  • 2025-03-18
    There are many home-grown problems on Earth, but there's still time to worry about bad things arriving from above. The most recent is the asteroid 2024 YR4, which could be a "city killer" if it hits a heavily populated area of our planet in the early years of the next ...
  • 2025-02-25
    The first life on Earth formed four billion years ago, as microbes living in pools and seas: what if the same thing happened on Mars? If it did, how would we prove it? Scientists hoping to identify fossil evidence of ancient Martian microbial life have now found a way to ...
  • 2025-02-18
    More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may encase ...
  • 2025-02-14
    Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the universe. Ryugu, a 900-meter diameter asteroid in the Apollo belt, has recently proven useful in our search ...
  • 2025-03-17
    Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different spectroscopic profile than Psyche, for example. So it might come as no surprise that another of the main asteroids—Pallas—is in a class all its own except for the 300 or so members of ...
  • 2025-03-18
    Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid belt.
  • 2025-03-18
    New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have undergone significant evolution since.
  • 2025-03-18
    There are many home-grown problems on Earth, but there's still time to worry about bad things arriving from above. The most recent is the asteroid 2024 YR4, which could be a "city killer" if it hits a heavily populated area of our planet in the early years of the next ...
  • 2025-03-17
    Despite their overall similarities, asteroids are usually pretty distinct from one another. Vesta has a very different spectroscopic profile than Psyche, for example. So it might come as no surprise that another of the main asteroids—Pallas—is in a class all its own except for the 300 or so members of ...
  • 2025-03-13
    On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare images of the red planet's mysterious small moon Deimos, the European Space Agency (ESA) said Thursday.
  • 2025-03-11
    Last year, astronomers detected the near-earth asteroid (NEA) 2024 YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a potentially hazardous object (PHO), meaning it could pose a collision risk to Earth someday. Recently, refined estimates of its orbit ...

  • 2025-03-17
    New modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have undergone significant evolution since. When NASA's Lucy spacecraft flies by this approximately three-mile-wide space rock on April 20, 2025, the ...

: meteorites; asteroids; comets.


  • 2025-03-17
    Ik pa laikam izskan ziņas par asteroīdiem, kuri, iespējams, varētu ietriekties mūsu zemeslodē, bet lielākoties šie riski vēlāk izrādās minimāli. Lai arī lielākie asteroīdi Zemes tuvumā ir apzināti, mazākie, kas varētu radīt lokālus bojājumus, var parādīties diezgan pēkšņi, Latvijas Radio raidījumā "Zināmais nezināmajā" stāstīja IT speciālisti un astronomijas entuziasti Raitis ...

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2025/03/19 78   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
19. martā vēsturē zināmi nokrituši 3 meteorīti:
Fukutomi (1882)
Djati-Pengilon (1884)
La Colina (1924)
Pavisam marta vēsturē zināmi 78 nokrituši meteorīti:
18 jeb 23.1% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen iespējams nokrituši jauni meteorīti:
2024. g. 25. jūlijā Charlottetown
2024. g. 6. augustā Ait Saoun
2024. g. 25. augustā Nqweba, South Africa [??]
2024. g. 10. decembrī Amo, Indiana, USA [??]
š.g. 18. februārī Drelów, Poland [??]
š.g. 21. februārī Codyville, USA [??]
Šobrīd debesīs novērojamas 2 aktīvās meteoru plūsmas:
★★☆☆ γ-Normids (Maksimums: Mar 14);
★☆☆☆ 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 230 gadi.
Pirmais zināmais meteorīts Latvijas teritorijā nokrita pirms 204 gadiem.
Otrais zināmais meteorīts Latvijas teritorijā nokrita pirms 161 gada.
Trešais zināmais meteorīts Latvijas teritorijā nokrita pirms 160 gadiem.
Pēdējais zināmais meteorīts Latvijas teritorijā nokrita pirms 134 gadiem.
Pirmais meteorītikai veltītais muzejs Latvijā dibināts pirms 9 gadiem.

 

GADA METEORĪTS
2025
Meteoriti.LV vietne tiks pakāpeniski papildināta ar plašu pamatinformāciju par meteorītiku un ar to saistitām astronomijas nozarēm. Uzzināsiet, vai "meteorīti dabā sastopami retāk par dimantiem", cik tie ir veci un kāda ir to izcelsme. Atradīsiet atbildes uz jautājumiem: Vai meteorīti ir bīstami? Kādi meteorīti atrodami Latvijā un kur tos var apskatīt? Vai Latvijā ir vērts meklēt meteorītus? Ko meteorītu izpēte pastāsta mums par Zemes un Saules sistēmas izcelšanos? Ceram, ka tas radīs vēlmi arī jums pašiem novērot Zemes kosmiskos viesus - meteorus, un, varbūt, pat kļūt par īstiem meteorītu medniekiem!
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