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Review of the Meteoritics World News
Meteorītikas ziņu apskats angļu valodā
Meteoritical Bulletin Database
News feed for newly approved meteorites:

  • 2021-03-25
    After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth. But that impact assessment changed as astronomers tracked Apophis and its orbit became better determined.Now, the results from a new radar observation campaign combined with precise orbit analysis ...
  • 2021-03-11
    The largest asteroid predicted to pass by our planet in 2021 will be at its closest on March 21, providing astronomers a rare opportunity to get a good look at a rocky relic that formed at the dawn of our solar system.Called 2001 FO32, the near-Earth asteroid will make its ...
  • 2020-11-12
    Earth has captured a tiny object from its orbit around the Sun and will keep it as a temporary satellite for a few months before it escapes back to a solar orbit. But the object is likely not an asteroid; it's probably the Centaur upper stage rocket booster that helped ...
  • 2020-09-22
    A small near-Earth asteroid (or NEA) will briefly visit Earth's neighborhood on Thursday, Sept. 24, zooming past at a distance of about 13,000 miles (22,000 kilometers) above our planet's surface. The asteroid will make its close approach below the ring of geostationary satellites orbiting about 22,000 miles (36,000 kilometers) away ...
  • 2020-08-18
    Near Earth Asteroids, or NEAs, pass by our home planet all the time. But an SUV-size asteroid set the record this past weekend for coming closer to Earth than any other known NEA: It passed 1,830 miles (2,950 kilometers) above the southern Indian Ocean on Sunday, Aug. 16 at 12:08 ...
  • 2020-04-28
    A large near-Earth asteroid will safely pass by our planet on Wednesday morning, providing astronomers with an exceptional opportunity to study the 2-kilometer-wide (1.5-mile-wide) object in great detail.
  • 2020-04-28
    A relatively small asteroid, about 4 to 8 meters in diameter, will fly safely past Earth just before 3pm today, Apr. 28 (Eastern U.S. time). NASA is tracking the object, but orbit calculations ruled out any chance that the near-Earth object could pose a threat to our planet.
  • 2020-02-27
    A small object, presumed to be a tiny asteroid, has been discovered in a distant orbit about the Earth, a highly unusual circumstance, since asteroids normally orbit the Sun. The new “mini-moon” has been given the asteroid designation 2020 CD3, but in view of its strange orbit, there is a ...
  • 2019-09-12
    A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system. The object - designated C/2019 Q4 (Borisov) - was discovered on Aug. 30, 2019, by Gennady Borisov at the MARGO observatory in Nauchnij, Crimea. The official confirmation that ...
  • 2019-08-15
    The Center for Near-Earth Object Studies (CNEOS) has determined with new analysis by its Sentry impact monitoring system that a small asteroid whose uncertain position was of concern will pass by Earth at a very safe distance in September. The new analysis of the asteroid, called 2006 QV89, was made ...

  • 2021-03-02
    Way back in 2003, in this very meteorite forum, I wrote: If only all meteorites could be as rich in tradition as the Ogi meteorite. When this shower of four stones fell on the Japanese island of Kyushu, the 14kg of meteorites were carefully collected and preserved in a family temple, protected by priests for … The post Ogi Japan: Meteorite Worship Then and Now first appeared on Meteorite Times Magazine.
  • 2021-03-02
    About 30 years ago I began trying to make thin sections. I remember I was fascinated by the interference colors. I have always been an experimenter. I made a means of viewing thin sections with polarizing filters from the camera store. I bought one thin section to use as a sample in my experimenting. I … The post A Handmade Thin Section Sampling first appeared on Meteorite Times Magazine.
  • 2021-03-02
    Northwest Africa 10674 was purchased by Marc Jost as four pieces totaling 1,193 grams. It was classified by Irving and Kuehner as a polymict eucrite with a significant portion of metal-bearing H6 chondrite clasts with other asteroid debris.   … The post A Eucrite with Chondrules first appeared on Meteorite Times Magazine.
  • 2021-03-02
    Never had there been a confirmed person being struck by a meteorite. Yes, there were stories and rumors, but none reliable or confirmed, until 30th November 1954, when 34 year old Ann Hodges who was sleeping under quilts on her sofa, in her Sylacauga, Alabama home was struck by a grapefruit-sized meteorite at about 3:00 … The post Sylacauga “Ann Hodges” Meteorite first appeared on Meteorite Times Magazine.
  • 2021-03-02
    An amazing exhibit of meteorite photography has opened at the High Desert Museum in Bend, Oregon. Yes—Bend, Oregon, the largest town in Central Oregon, best known for skiing and other outdoor activities, is also home to a fine museum which is rapidly becoming a major attraction featuring wildlife, culture, art and history. A visitor to … The post Cosmic Microscapes – Seeing Into Rocks from Oregon and Space first appeared on Meteorite Times Magazine.
  • 2021-03-01
    Our Meteorite of the Month is kindly provided by Tucson Meteorites who hosts The Meteorite Picture of the Day. The post Tagish Lake Meteorite first appeared on Meteorite Times Magazine.
  • 2021-01-02
    The 2020 pandemic has made most of us consider our mortality, and sadly, many discovering it firsthand. As a young (or old) 57 years of walking this planet, I’ve had a partner in Karatu, a meteorite that fell in my birth year of 1963 on the opposite side of the world. Both Karatu and I … The post A Brief History of Time with the Karatu Meteorite first appeared on Meteorite Times Magazine.
  • 2021-01-02
    I don’t add very many meteorites to my collection anymore. Maybe five or six meteorites a year. Of that number, a couple of meteorites are stones I partner with Jason Phillips to buy and get classified. Just as the virus was getting going in March 2020, we arranged to purchase a 15kg stone. It would … The post Almost the Whole Story of a Big Chondrite first appeared on Meteorite Times Magazine.
  • 2021-01-02
    Northwest Africa 2833 was a single 2,112 gram stone purchased in Erfoud, Morocco in 2005. It was classified as an L3.8 ordinary chondrite, S2, W3 by Wittke and Bunch and published in 2006. … The post A Glassy Chondrule in NWA 2833 first appeared on Meteorite Times Magazine.
  • 2021-01-02
    In February 2019, I went to the Tucson Gem and Mineral show to meet some friends. Afterwards, I visited my good friend Dr. Carleton Moore at Arizona State University (“ASU”) and he introduced me to Dr. Laurence Garvie, Collection Curator for the ASU Center for Meteorite Studies, then we all went inside ASU’s meteorite vault. … The post Dr. Carleton Moore first appeared on Meteorite Times Magazine.

: meteors; asteroids; comets; space-junk.

  • 2021-04-07
    Bright comets will be scarce this year, but you can see one of the better ones this month as it races from Aquila to Canes Venatici. In other news, a new, bright nova has flared in Sagittarius. The post Make the Most of Comet ATLAS appeared first on Sky & Telescope.
  • 2021-04-07
    Bright comets will be scarce this year, but you can see one of the better ones this month as it races from Aquila to Canes Venatici. In other news, a new, bright nova has flared in Sagittarius. The post Make the Most of Comet ATLAS appeared first on Sky & Telescope.

  • 2021-04-17
    During its final flyby this month, the spacecraft OSIRIS-REx took an image of the location where it collected a sample from asteroid Bennu's surface. It'll return to Earth 2 years from now, providing scientists with clues to the creation of our solar system.

  • 2021-04-19
    Tucson AZ (SPX) Apr 16, 2021 Like boot prints on the Moon, NASA's OSIRIS-REx spacecraft left its mark on asteroid Bennu. Now, new images - taken during the spacecraft's final fly-over on April 7 - reveal the aftermath of its historic encounter with the asteroid. The spacecraft flew within 2.3 miles ...
  • 2021-04-19
    Washington DC (UPI) Apr 16, 2021 NASA plans to launch its next mission to Mars in 2026 to pick up rock samples being collected over the next two years and collaborate on their return to Earth by 2031, officials said. The Mars rover Perseverance, which landed on the planet ...

  • 2021-01-11
    In 2017, astronomers discovered an object passing through our solar system which most concluded was the first interstellar asteroid. Jeff Foust reviews a book by a Harvard astronomer who tries to make the case that the object is instead an alien artifact.
  • 2020-11-30
    In April 2029, the asteroid Apophis will pass close to the Earth, posing no threat of impact but instead offering an opportunity for scientists. Jeff Foust reports on discussions at a recent workshop on the potential missions that could be flown during the flyby and the rationales for them.
  • 2020-11-23
    Five years ago this week, President Obama signed into law a bill that granted companies rights to space resources they extracted. Jeff Foust describes how that effort, intended to enable asteroid mining, has evolved to support the use of lunar resources as part of Artemis and related initiatives.
  • 2020-10-19
    On Tuesday, NASA's OSIRIS-REx spacecraft will attempt to touch down on the surface of asteroid Bennu and collect samples for return to Earth. Jeff Foust reports on how this effort, already technically challenging, has turned out to be even more difficult than originally expected.
  • 2020-07-27
    The passing Comet NEOWISE, on display in the night sky in recent weeks, can seem like little more than a brief diversion from our problems on Earth today. Hariharan Karthikeyan argues it's a reminder to look up and think big.
  • 2020-04-27
    Mars sample return is a long-standing goal of many planetary scientists, but difficult and expensive to achieve. Jeff Foust reports on how NASA and ESA are firming up plans to do so over the next decade, despite many uncertainties.

  • 2021-01-12
    New discovery may validate theories of the formation of organic compounds in extraterrestrial environments.
  • 2020-11-12
    In a new video from the NASA Astrobiology Program, astrobiologists Dr. Jason Dworkin and Dr. Scott Sandford explain the importance of the OSIRIS-REx mission in the quest to understand the role that asteroids and other small bodies play in the origins of life on Earth.  OSIRIS-REx & the Origin of Life Dr. Jason ...
  • 2020-08-10
    Brines may still be percolating up to the surface on Ceres today as the result of an impact that created the Occator crater 20 million years ago.

  • 2021-04-07
    Long before NASA's Perseverance rover touched down on the Red Planet on Feb. 18, one of its highest-level mission goals was already established: to seek out signs of ancient life on the Martian surface. In fact, the techniques used by one of the science instruments aboard the rover could have ...
  • 2021-03-10
    Scientists have long known that certain ingredients are needed to support life, especially water and key organic chemicals like carbon. In recent years, both ingredients have been found on giant asteroids and other celestial bodies.
  • 2021-03-04
    New research from Royal Holloway, has found water and organic matter on the surface of an asteroid sample returned from the inner Solar System. This is the first time that organic materials, which could have provided chemical precursors for the origin of life on Earth, have been found on an ...
  • 2021-02-22
    Experimental microbially assisted chemolithotrophy provides an opportunity to trace the putative bioalteration processes of the Martian crust. A study on the Noachian Martian breccia Northwest Africa (NWA) 7034, composed of ancient (ca. 4.5 Gyr old) crustal materials from Mars has delivered a unique prototype of microbial life experimentally designed on ...
  • 2021-02-22
    Some microbes on Earth could temporarily survive on the surface of Mars, finds a new study by NASA and German Aerospace Center scientists. The researchers tested the endurance of microorganisms to Martian conditions by launching them into the Earth's stratosphere, as it closely represents key conditions on the Red Planet. ...
  • 2021-02-18
    NASA's Mars 2020 Perseverance rover will be the agency's ninth mission to land on the Red Planet. Along with characterizing the planet's geology and climate, and paving the way for human exploration beyond the Moon, the rover is focused on astrobiology, or the study of life throughout the universe. Perseverance ...
  • 2021-02-05
    When the NASA Mars rover Perseverance touches down on the surface of Mars on February 18, it will arrive in Jezero Crater, which preserves evidence of a time when rivers flowed on Mars.
  • 2021-04-15
    In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers at UC Santa Cruz heated pristine meteorite samples in a high-temperature furnace and analyzed the gases released.
  • 2021-04-09
    A research collaboration between Lawrence Livermore National Laboratory (LLNL) and the Air Force Institute of Technology (AFIT) investigates how the neutron energy output from a nuclear device detonation can affect the deflection of an asteroid.
  • 2021-04-16
    A NASA spacecraft left a mess at an asteroid when it grabbed a load of rubble last year for return to Earth, new pictures revealed Thursday.
  • 2021-04-15
    In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers at UC Santa Cruz heated pristine meteorite samples in a high-temperature furnace and analyzed the gases released.
  • 2021-04-12
    Planetary systems form out of the remnant gas and dust of a primordial star. The material collapses into a protoplanetary disk around the young star, and the clumps that form within the disk eventually become planets, asteroids, or other bodies. Although we understand the big picture of planetary formation, we've ...
  • 2021-04-09
    NASA's Ingenuity Mars Helicopter is two days away from making humanity's first attempt at powered, controlled flight of an aircraft on another planet. If all proceeds as planned, the 4-pound (1.8-kg) rotorcraft is expected to take off from Mars' Jezero Crater Sunday, April 11, at 12:30 p.m. local Mars solar ...
  • 2021-04-08
    Every year, our planet encounters dust from comets and asteroids. These interplanetary dust particles pass through our atmosphere and give rise to shooting stars. Some of them reach the ground in the form of micrometeorites.
  • 2021-04-08
    The almost 15-million-year-old Nördlinger Ries is an asteroid impact crater filled with lake sediments. Its structure is comparable to the craters currently being explored on Mars. In addition to various other deposits on the rim of the basin, the crater fill is mainly formed by stratified clay deposits. Unexpectedly, a ...
  • 2021-04-08
    NASA's 2001 Mars Odyssey spacecraft launched 20 years ago on April 7, making it the oldest spacecraft still working at the Red Planet. The orbiter, which takes its name from Arthur C. Clarke's classic sci-fi novel "2001: A Space Odyssey" (Clarke blessed its use before launch), was sent to map ...
  • 2021-04-06
    The weather often plays a role in our daily plans. You might put on a light jacket when the forecast calls for a cool breeze or delay your travel plans because of an impending storm. NASA engineers use weather data to inform their plans, too, which is why they're analyzing ...
  • 2021-04-05
    The team of scientists and engineers behind NASA's Curiosity rover named a hill along the rover's path on Mars in honor of a recently deceased mission scientist. A craggy hump that stretches 450 feet (120 meters) tall, "Rafael Navarro mountain" is located on Mount Sharp in northwest Gale Crater.
  • 2021-04-05
    Scientists from Russia and Germany studied the molecular composition of carbonaceous chondrites—the insoluble organic matter of the Murchison and Allende meteorites—in an attempt to identify their origin. Ultra-high resolution mass spectrometry revealed a wide diversity of chemical compositions and unexpected similarities between meteorites from different groups. The research was published ...

  • 2021-04-15
    In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers heated pristine meteorite samples in a high-temperature furnace and analyzed the gases released. Their results suggest that the initial atmospheres of terrestrial planets may differ significantly from many of the common assumptions used in theoretical models ...

: meteorites; asteroids; comets.

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2021/04/19 109   Meteoriti.LV

Mēness fāze
19. aprīlī vēsturē zināmi nokrituši 5 meteorīti:
Borgo San Donino (1808)
Brient (1933)
Wolcott (2013)
Annama (2014)
Aba Panu (2018)
Pavisam aprīļa vēsturē zināmi 112 nokrituši meteorīti:
2 no tiem Latvijā, 19 jeb 17.0% no tiem glabājas Latvijā Meteoriti.LV kolekcijā.
Ievērojiet, nesen nokrituši jauni meteorīti:
2020. g. 1. augustā Kolang
2020. g. 19. augustā Santa Filomena
2020. g. 25. augustā Tarda
2020. g. 7. novembrī Fjärdhundra; Upsala; Sweden 2020[??]
š.g. 28. janvārī Astomulyo; Punggur (Indonesia) [??]
š.g. 28. februārī Cheltenham; England 2021[??]
š.g. 20. martā Dorset (England)[??]
Šobrīd debesīs novērojamas 4 aktīvās meteoru plūsmas:
★★★☆ Lyrids (Maksimums: Apr 22);
★☆☆☆ π-Puppids (Maksimums: Apr 23);
★★★☆ η-Aquariids (Maksimums: May 06);
★☆☆☆ 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 227 gadi.
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Otrais zināmais meteorīts Latvijas teritorijā nokrita pirms 157 gadiem.
Trešais zināmais meteorīts Latvijas teritorijā nokrita pirms 157 gadiem.
Pēdējais zināmais meteorīts Latvijas teritorijā nokrita pirms 131 gada.
Pirmais meteorītikai veltītais muzejs Latvijā dibināts pirms 5 gadiem.

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