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Meteoriti.LV kolekcija: meteorīti, impaktīti u.c.
Pārbaudiet savu atradumu tiešsasitē ar meteorītu identificēšanas testu MID.
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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.




  • 2025-03-09
    Researchers in Australia have discovered a new record holder for the oldest impact crater on Earth yet known. The impact dates back some 3.5 billion years. The post New record for oldest impact crater on Earth first appeared on EarthSky.

  • 2025-01-31
    From galaxies to stamps to asteroid samples, some collections never go out of style.
  • 2025-01-30
    Experts weigh in about the recently discovered near-Earth asteroid 2024 YR4 that has about a 1% chance of impacting Earth on Dec. 22, 2032.
  • 2024-12-20
    Perseverance makes it to the Jezero Crater rim, and we’re antsy to start another year of space exploration.
  • 2024-12-18
    Catch this once-in-a-lifetime comet over the next few weeks.
  • 2024-11-29
    A Jovian storm has its roots in a magnetic vortex, life finds a way into an asteroid sample, and more this week in space.
  • 2024-11-15
    Liquids do all kinds of interesting things on planetary surfaces, from creating rippled impact craters to streaming out from under carbon dioxide glaciers.

  • 2025-03-03
    Legislation passed nearly a decade ago was intended to ensure that US companies would own any asteroid resources they obtained. However, Camisha Simmons explains why issues with that law create uncertainty for those ventures that requires Congress to step in.
  • 2024-12-16
    Last week, NASA unveiled a long-term plan for robotic exploration of Mars, including work to prepare for later human missions. Jeff Foust reports on the plan as well as ongoing efforts to revamp the Mars Sample Return program.
  • 2024-11-18
    Planetary defense has gone from a relatively fringe topic with little funding to one with NASA missions demonstrating the ability to change an asteroid's orbit. Jeff Foust reviews a book that examines those efforts to detect and defend Earth from asteroids, and the need to do more.
  • 2024-10-14
    ESA last week launched its Hera mission to the same asteroid that NASA's DART spacecraft collided with two years ago. Jeff Foust reports on the struggles the Hera project faced getting the spacecraft launched, from funding challenges to a hurricane.
  • 2024-08-19
    NASA is weighing different approaches to its Mars Sample Return program to lower its costs and speed up the return of samples. Dale Skran advocates for an approach that ties the effort more closely to future human exploration of the Red Planet.
  • 2024-05-06
    Last September NASA's OSIRIS-REx spacecraft successfully returned samples from the asteroid Bennu, seven years after its launch. Jeff Foust reviews a book by the mission's principal investigator that describes the long effort to develop the mission and how it overcame obstacles along the way.
  • 2024-04-29
    Mars scientists hoped they would have a better idea of when and how they would get samples back from Mars after NASA completed an internal study of the Mars Sample Return program. Instead, as Jeff Foust reports, NASA is now turning to industry for help on how to reduce the ...
  • 2024-02-12
    Concerns about the budget and plans for NASA's Mars Sample Return (MSR) program came to a head last week when JPL laid off more than 500 employees, citing budget uncertainty about the program. Jeff Foust reports on the issues that have put the future of MSR into question for some.
  • 2024-02-05
    Ingenuity, whose mission ended last month, was a first-of-its-kind Mars helicopter with no guarantees more will follow soon. Ari Allyn-Feuer discusses how sending a large number of similar helicopters could advance Martian exploration in novel ways.
  • 2023-09-25
    On Sunday, NASA's OSIRIS-REx spacecraft returned to Earth, dropping off a capsule containing samples collected from the asteroid Bennu. Jeff Foust reports on the success of the first part of NASA's "Asteroid Autumn" that includes a launch and a flyby.

  • 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 ...
  • 2025-02-05
    Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new study reveals a surprising twist in the story of our planet's formation.

: meteorites; asteroids; comets.


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2025/03/11 70   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
11. martā vēsturē zināmi nokrituši 2 meteorīti:
Changde (1977)
El Menia (2023)
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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