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 Meteoritical Society

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 Muzeji.lv

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 Novero.LV

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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


  • 2024-07-03
    There have been many proposals for building structures on the Moon out of lunar regolith. But here’s an idea sure to resonate with creators, mechanical tinkerers, model builders and the kid inside us all. What about using actual LEGO bricks? Researchers ground up a 4.5-billion-year-old meteorite and used the dust ...
  • 2024-07-03
    NASA’s InSight Mars Lander faced some challenges during its time on the red planet’s surface. Its mole instrument struggled to penetrate the compacted Martian soil, and the mission eventually ended when its solar panels were covered in dust. But some of its instruments performed well, including SEIS, the Seismic Experiment ...

  • 2024-07-04
    When 2 large asteroids passed our planet in late June, NASA captured images of these near-Earth space rocks. And 1 was hiding a tiny moon. The post See NASA images of the 2 large asteroids that passed Earth first appeared on EarthSky.

  • 2024-07-02
    China’s first planetary defense test is taking shape. The ambitious mission will use a single launch to observe and impact a near-Earth asteroid.
  • 2024-06-27
    Every two years, The Planetary Society awards a series of grants to asteroid hunters through our Shoemaker Near-Earth Object (NEO) Grant program. Here's the latest from some of our recent grant recipients.
  • 2024-06-21
    Where and when to spot the ISS, learn what asteroids are made of, and search for life in the Cosmos.
  • 2024-06-21
    Binary asteroid systems can be found near Earth, in the main asteroid belt, beyond Neptune, and more.
  • 2024-06-18
    C-type, S-type, and M-type are the three most common kinds of asteroids. Here's what each type is made of.
  • 2024-06-11
    NASA's DART mission showed that if we detect a dangerous asteroid headed toward Earth, knocking it off course with a spacecraft is a potential option.
  • 2024-04-05
    From spotting comets to hearing eclipses and predicting solar emissions, there are many ways to experience space phenomena.

  • 2024-07-04
    Los Angeles CA (SPX) Jul 03, 2024 For the benefit of all, the space agency released a summary Thursday of the fifth biennial Planetary Defense Interagency Tabletop Exercise. the space agencys Planetary Defense Coordination Office, in partnership with FEMA (Federal Emergency Management Agency) and with the assistance of the U.S. Department ...

  • 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.
  • 2023-09-11
    Last month, a paper claimed to have found evidence for interstellar meteorites at the bottom of the Pacific, a claim other scientists have treated skeptically. Jeff Foust review a book by the scientist who is the lead author of that study and other efforts using science to look for interstellar ...
  • 2023-09-05
    The Fox reality TV series "Stars on Mars" wrapped up recently with one "celebronaut" crowned as winner. The series, Dwayne Day explains, also provided useful lessons for real missions to the Red Planet.
  • 2023-07-17
    A Senate appropriations bill released last week would slash funding for NASA's Mars Sample Return program and threaten it with cancellation. Jeff Foust reports on the new fiscal challenges that efforts to return samples from Mars have encountered.

  • 2024-05-31
    Universe Today has had the privilege of spending the last several months venturing into a multitude of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, planetary geophysics, cosmochemistry, meteorites, radio astronomy, extremophiles, organic chemistry, and black holes, and their importance in helping teach scientists ...
  • 2024-05-27
    NASA is actively working to return surface samples from Mars in the next few years, which they hope will help us better understand whether ancient life once existed on the red planet's surface billions of years ago. But what about atmospheric samples? Could these provide scientists with better information pertaining ...
  • 2024-05-13
    Although Mars presents a barren, dusty landscape with no signs of life so far, its geological features such as deltas, lakebeds, and river valleys strongly suggest a past where water once flowed abundantly on its surface. To explore this possibility, scientists examine sediments preserved near these formations. The composition of ...
  • 2024-05-01
    A research team using the ChemCam instrument onboard NASA's Curiosity rover discovered higher-than-usual amounts of manganese in lakebed rocks within Gale Crater on Mars, which indicates that the sediments were formed in a river, delta, or near the shoreline of an ancient lake. The results were published today in Journal ...

  • 2024-07-02
    Two samples from Mars together deliver clear evidence of the origin of Martian organic material. The study presents solid evidence for a prediction made over a decade ago that could be key to understanding how organic molecules, the foundation of life, were first formed here on Earth.
  • 2024-06-30
    The desert moss Syntrichia caninervis is a promising candidate for Mars colonization thanks to its extreme ability to tolerate harsh conditions lethal to most life forms. The moss is well known for its ability to tolerate drought conditions, but researchers now report that it can also survive freezing temperatures as ...
  • 2024-06-28
    An international team of researchers combine orbital imagery with seismological data from NASA's Mars InSight lander to derive a new impact rate for meteorite strikes on Mars. Seismology also offers a new tool for determining the density of Mars' craters and the age of different regions of a planet.

: meteorites; asteroids; comets.


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2024/07/04 186   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
4. jūlijā vēsturē zināmi nokrituši 5 meteorīti:
Pavisam jūlija vēsturē zināmi 120 nokrituši meteorīti:
1 no tiem Latvijā, 25 jeb 20.8% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen iespējams nokrituši jauni meteorīti:
2023. g. 29. decembrī Quartzsite, Arizona, USA [??]
š.g. 21. janvārī Ribbeck
š.g. 16. martā Caída, Portugal [??]
Apzīmējumi:
- Meteoritical Bulletin Database
- The Encyclopedia of Meteorites, IMCA
- paraugs ir Meteoriti.LV kolekcijā Latvijā
[??] - oficiāli vēl neapstiprināts, nav zināmi analižu un klasifikācijas rezultāti
Šobrīd debesīs novērojamas 2 aktīvās meteoru plūsmas:
★★☆☆ α-Capricornids (Maksimums: Jul 30);
★☆☆☆ 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 203 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
2024
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