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  VAI JŪS ZINĀJĀT, KA...



 
Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā

: meteors; asteroids; comets; space-junk.


  • 2026-08-05
    Today’s impact of a spent Falcon 9 rocket stage on the Moon may sound dramatic, but it is neither the first human-made object to strike our natural satellite nor the largest.

  • 2026-08-18
    Of Jupiter’s four Galilean moons, Callisto is the one that gets the least attention. Io is constantly being resurfaced by volcanoes. Europa has a giant liquid water ocean. And Ganymede has its own magnetic field that interacts with its parent planet in weird ways. Callisto, by comparison, seems sedate, with ...
  • 2026-08-18
    The Habitable Worlds Observatory is being built for one purpose: to directly image another living Earth. Inside the coronagraph that must block ten billion times the planet's light, the picometer-stable mirror we don't yet know how to build, and the messy problem of reading an atmosphere.
  • 2026-08-18
    The surface of Mars is home to some of the most breathtaking and awe-inspiring landscapes in the solar system. This is primarily due to the Red Planet lacking several re-surfacing processes that Earth possesses, including plate tectonics, volcanism, and flowing water. While Mars does have dust storms, this has done ...
  • 2026-08-18
    Engineers developed a unique fabric-based design for a ground-penetrating radar that will be a key instrument on NASA’s SkyFall Mars helicopters. The hardware will enable the SkyFall mission’s trio of planetary rotorcraft to use ground-penetrating radar to study the Martian subsurface.
  • 2026-08-17
    Readers of a certain age will remember a golden area of asteroid films, capstoned by two with very different endings. Deep Impact engrained the devastating consequences of letting a large piece of rock hit our planet, whereas Armageddon, though arguably the more kitschy of the two films, was an uplifting ...



  • 2026-08-18
    From 2021 to 2024, NASA's Ingenuity helicopter became the first vehicle of its kind to explore the Martian atmosphere and surface. With that proof of concept complete, NASA is preparing to send a trio of helicopters to search for the most precious resource for future astronaut missions: water. Known as ...
  • 2026-08-13
    Detecting water where none remains today: Neutron and X-ray tomography make it possible. In an international study conducted with the participation of the Paul Scherrer Institute PSI, researchers have brought to light macroscopic hydrogen-rich regions inside a Martian meteorite. The findings provide evidence for early water-rock interactions on Mars.
  • 2026-08-11
    For decades, astronomers have assumed that the Martian surface froze solid around 3 billion years ago and has stayed that way ever since. If this were really the case, any liquid water would have long since either been locked away underground or lost to space.
  • 2026-08-01
    We know Mars has water ice in its polar regions, but astronauts (and their solar-powered equipment!) would much rather experience life closer to Mars' equator. As NASA looks toward landing humans on the red planet, the Planetary Science Institute (PSI) is mapping where water should and shouldn't be found and ...
  • 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 ...
  • 2026-07-13
    Scientists have detected evidence of landslides on Pluto for the first time. A paper published in the journal Icarus reports that images taken by the New Horizons spacecraft during a flyby revealed six large landslides in three impact craters.
  • 2026-07-07
    Like a shelf in an old house, the Earth collects a lot of dust from its surroundings. This "space dust" is mostly made up of micrometeorites that survive atmospheric entry and provides researchers with a cheap and easy way to obtain samples to study our cosmic neighbors. However, it can ...
  • 2026-08-18
    Readers of a certain age will remember a golden era of asteroid films, capped by two with very different endings. "Deep Impact" drove home the devastating consequences of letting a large piece of rock hit our planet, whereas "Armageddon," though arguably the kitschier of the two films, was an uplifting ...
  • 2026-08-18
    From 2021 to 2024, NASA's Ingenuity helicopter became the first vehicle of its kind to explore the Martian atmosphere and surface. With that proof of concept complete, NASA is preparing to send a trio of helicopters to search for the most precious resource for future astronaut missions: water. Known as ...
  • 2026-08-18
    So far, most of the minerals found on Mars tell a story of lava poured out by ancient volcanoes, followed by long stretches in which water trickled through and slowly reshaped the rock. However, some rocks scattered across the Martian surface seem to hint at a different geological history—carrying the ...
  • 2026-08-18
    Readers of a certain age will remember a golden era of asteroid films, capped by two with very different endings. "Deep Impact" drove home the devastating consequences of letting a large piece of rock hit our planet, whereas "Armageddon," though arguably the kitschier of the two films, was an uplifting ...
  • 2026-08-13
    Detecting water where none remains today: Neutron and X-ray tomography make it possible. In an international study conducted with the participation of the Paul Scherrer Institute PSI, researchers have brought to light macroscopic hydrogen-rich regions inside a Martian meteorite. The findings provide evidence for early water-rock interactions on Mars.
  • 2026-08-11
    For decades, astronomers have assumed that the Martian surface froze solid around 3 billion years ago and has stayed that way ever since. If this were really the case, any liquid water would have long since either been locked away underground or lost to space.
  • 2026-08-09
    Boston College scientists have determined that a newly discovered meteorite from Mars is 1.27 billion years old and derived from a previously unsampled, pristine source on the Red Planet. The study is published in the journal Geochimica et Cosmochimica Acta.
  • 2026-08-09
    What shape is an asteroid? For (44) Nysa, the honest answer until now has been that nobody knew. It is one of the brightest and largest E-type asteroids in the main belt, a class with a surface rich in enstatite, and its oddness has made it a favorite target for ...
  • 2026-08-06
    This composite of seven images from the Mastcam-Z instrument aboard NASA's Perseverance Mars rover shows Earth, visible as a small bright dot moving from upper left to lower right, passing behind the Martian moon Phobos on July 2, 2026, the 1,907th Martian day, or sol, of the mission.

  • 2026-08-08
    A rare meteorite that crashed through a New Jersey roof contains evidence of ancient salty fluids, organic compounds, and amino acids from a primitive asteroid. Its pristine chemistry could offer new clues about how space rocks helped supply early Earth with some of the ingredients needed for life.
  • 2026-08-07
    Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a growing colony. A new analysis shows that carefully selected asteroids may be reachable with current spacecraft technology. Some could even provide the ingredients for making rocket fuel in space, dramatically reducing ...
  • 2026-08-05
    August brings four major celestial events, including a solar eclipse and the peak of the Perseid meteor shower. Dark New Moon skies could make the Perseids especially impressive, while Venus will blaze in the west after sunset. A deep partial lunar eclipse closes the month, darkening most of the Moon.
  • 2026-08-01
    NASA’s Curiosity rover has entered a Martian valley covered by an astonishing “sea” of tiny polygon-shaped fractures. The honeycomb patterns, each only a few inches wide, stretch across the landscape and even wrap around a nearby 20-foot-tall butte.


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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2026/08/18 230   Meteoriti.LV
ŠODIENAS AKTUĀLAIS METEORĪTIKAS KALENDĀRS

Mēness fāze
18. augustā vēsturē zināmi nokrituši 4 meteorīti:
Cabezo de Mayo (1870)
Kamalpur (1942)
Naragh (1974)
Zhuanghe (1976)
Pavisam augusta vēsturē zināmi 108 nokrituši meteorīti:
16 jeb 14.8% 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 Catalog of Meteorites, Natural History Museum, UK
- The Encyclopedia of Meteorites, IMCA
[??] - oficiāli vēl neapstiprināts, nav zināmi analīžu un klasifikācijas rezultāti
Šobrīd debesīs novērojamas 4 aktīvās meteoru plūsmas:
★★☆☆ South. δ-Aquariids (Maksimums: Jul 30);
★★★★ Perseids (Maksimums: Aug 13);
★☆☆☆ κ-Cygnids (Maksimums: Aug 18);
★☆☆☆ 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
    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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