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Review of the Meteoritics World News
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 ...
2020-12-02 The object, discovered in September by astronomers searching for near-Earth asteroids, garnered interest in the planetary science community due to its size and unusual orbit.
2020-11-24 NASA's Perseverance rover carries a device to convert Martian air into oxygen that, if produced on a larger scale, could be used not just for breathing, but also for fuel.
2020-11-10 A report, released Tuesday, concludes that the agency is well positioned for its ambitious plan to bring samples back from the Red Planet for further study on Earth.
2020-10-29 New research on nine craters of Saturn's largest moon provides more details about how weathering affects the evolution of the surface - and what lies beneath.
2020-10-16 Now that the heat probe is just below the Martian surface, InSight's arm will scoop some additional soil on top to help it keep digging so it can take Mars' temperature.
2020-10-13 Made of a pair of two-wheeled vehicles, NASA's DuAxel is designed to descend crater sides and near-vertical cliffs on the Moon, Mars, and beyond.
2020-10-08 The agency's newest rover will use the first ground-penetrating radar instrument on the Martian surface to help search for signs of past microbial life.
2020-10-01 It's the first time machine learning has been used to find previously unknown craters on the Red Planet.
2020-09-22 Roughly 15 to 30 feet wide, the object will make its closest approach on Sept. 24.
2020-09-21 An atmospheric light show previously relegated to planets and Jupiter moons is found on comet using data from ESA's Rosetta spacecraft.
2021-05-02 Two hundred and thirteen years ago this May, the Stannern achondrite fell from the sky, landing in what is now the Czech Republic. The shower of stones was reported to have lasted eight minutes which I find astounding for many reasons. Estimates of upwards of 300 individual stones fell with only 66 documented stones recovered, …
The post Sorry it took me 213 years to show you my Stannern Meteorite Individual first appeared on Meteorite Times Magazine.
2021-05-02 It has been a while since I wrote an article focused on my favorite place; Meteor Crater. Over the last fifty years, I have added to my collection many specimens of meteorites, rocks, and ephemera from the crater. But, one of the items that I had just a single representative specimen of was the graphite …
The post Canyon Diablo Graphite Nodules first appeared on Meteorite Times Magazine.
2021-05-02 The silicates in Aba Panu have been strongly shocked so it is not a particularly pretty meteorite under the microscope in transmitted light, in spite of its being an L3. The Meteoritical Bulletin database says that metal and sulfide occurs as: fined grained spheres in the matrix; armoring chondrules; and, occasional lumps. …
The post Aba Panu L3 first appeared on Meteorite Times Magazine.
2021-05-02 About a dozen years ago, I started collecting “Meteorwrongs” or “Pseudometeorites” for a few reasons. First and most importantly, they fascinated me. How could some Pseudometeorites look so much like meteorites? Yes, the vast majority of Meteorwrongs don’t resemble a meteorite, but there are a few that may fool even seasoned meteorite enthusiasts and scientists …
The post Meteorwrongs – Pseudometeorites first appeared on Meteorite Times Magazine.
2021-05-01 Our Meteorite of the Month is kindly provided by Tucson Meteorites who hosts The Meteorite Picture of the Day.
The post Brenham 170.5 gram full slice first appeared on Meteorite Times Magazine.
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.
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meteors ;
asteroids ;
comets ;
space-junk .
2021-06-14 China launched four new satellites into orbit on Thursday (June 10), including a commercial satellite for tracking near-Earth asteroids.
2021-06-13 Asteroid 16 Psyche, often sensationally dubbed the 10,000 quadrillion dollar asteroid due to its composition of valuable metals, may not be entirely what it seems. A new paper out of the University of Arizona suggests that the asteroid is possibly more porous, and less metallic, than previous studies indicated. It ...
2021-06-11 NASA's Juno spacecraft has sent back the first new closeup images of Jupiter's largest moon Ganymede in over 20 years. They show the moon's craters, light and dark patches and tectonic faults in beautiful detail. See them here!
The post See 1st new images of Ganymede in over 20 years first ...
2021-06-14 What two famous 1998 asteroid movies got right and wrong.
2021-06-14 This November, NASA will launch the world’s first mission to test a method of deflecting an asteroid.
2021-05-28 From solar storms to underwater volcanoes and asteroid close calls, catch up on what’s scary and beautiful this week in space.
2021-05-25 See every city-killer-size asteroid that has passed or will pass closer to Earth than the Moon.
2021-05-14 A spacecraft leaves one asteroid as planetary defense experts turn to others.
2021-05-07 Don’t leave it up to cosmic fate; take action right now to defend our planet from dangerous impacts.
2021-04-30 Remembering a space pioneer and seeing a rover from a whole new perspective.
2021-04-27 Asteroids and comets that come close to Earth can pose a very real threat to our planet, but impacts from these objects aren’t inevitable. With proper planning we can prevent this natural disaster from happening.
2021-04-27 Some of the most significant impacts that humans (and dinosaurs) have witnessed.
2021-04-26 We check in our last round of grant winners, who are helping to defend Earth from dangerous asteroids.
2021-05-11 OSIRIS-REx spacecraft heads for Earth with asteroid sample(10 May 2021 - NASA)
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.
2021-04-19 The small rotorcraft made history, hovering above Jezero Crater, demonstrating that powered, controlled flight on another planet is possible.
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 ...
2021-04-29 Scientists have recreated the reaction by which carbon isotopes made their way into different organic compounds, challenging the notion that organic compounds, such as amino acids, were formed by isotopically enriched substrates. Their discovery suggests that the building blocks of life in meteorites were derived from widely available substrates in ...
2021-04-22 As NASA's Perseverance rover begins its search for ancient life on the surface of Mars, a new study suggests that the Martian subsurface might be a good place to look for possible present-day life on the Red Planet.
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 ...
2021-06-08 For the first time, a unique study conducted at Lund University in Sweden has tracked the meteorite flux to Earth over the past 500 million years. Contrary to current theories, researchers have determined that major collisions in the asteroid belt have not generally affected the number of impacts with Earth ...
2021-06-09 The widely studied metallic asteroid known as 16 Psyche was long thought to be the exposed iron core of a small planet that failed to form during the earliest days of the solar system. But new University of Arizona-led research suggests that the asteroid might not be as metallic or ...
2021-06-08 For the first time, a unique study conducted at Lund University in Sweden has tracked the meteorite flux to Earth over the past 500 million years. Contrary to current theories, researchers have determined that major collisions in the asteroid belt have not generally affected the number of impacts with Earth ...
2021-06-04 NASA's OSIRIS-REx spacecraft is 328,000 miles, or 528,000 kilometers, away from the asteroid Bennu, having fired its engines on May 10 to initiate a return trip to Earth. The spacecraft is on track to deliver an asteroid sample to Earth on September 24, 2023.
2021-06-03 The team behind NASA's InSight Mars lander has come up with an innovative way to boost the spacecraft's energy at a time when its power levels have been falling. The lander's robotic arm trickled sand near one solar panel, helping the wind to carry off some of the panel's dust. ...
2021-06-02 The search for life beyond Earth typically focuses on first looking for water, the basis for life as we know it. Whether the water is a gas, liquid, or solid, its presence and composition can tell researchers a lot about the planet, moon, comet, or asteroid on which it is ...
2021-06-01 Symmetry in nature is pleasing to look at, and even more so when that symmetry is novel. There's plenty of it to see on Earth, as biological processes have a penchant for patterns. But finding it off-world is trickier, and sometimes more striking. Which is why a picture from HiRISE ...
2021-05-29 Cloudy days are rare in the thin, dry atmosphere of Mars. Clouds are typically found at the planet's equator in the coldest time of year, when Mars is the farthest from the Sun in its oval-shaped orbit. But one full Martian year ago—two Earth years—scientists noticed clouds forming over NASA's ...
2021-05-28 A navigation timing error sent NASA's little Mars helicopter on a wild, lurching ride, its first major problem since it took to the Martian skies last month.
2021-06-14 NASA has approved the Near-Earth Object Surveyor space telescope (NEO Surveyor) to move to the next phase of mission development after a successful mission review, authorizing the mission to move forward into Preliminary Design (known as Key Decision Point-B). The infrared space telescope is designed to help advance NASA's planetary ...
2021-06-11 The dusty, rocky Martian surface and a Chinese rover and lander bearing small national flags were seen in photos released Friday that the rover took on the red planet.
2021-06-10 New research finds that the target asteroid of NASA's Psyche mission may not be as metallic or dense as previously predicted, hinting that it might not be an exposed planetary core after all.
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Pilsoņu zinātne "Vai arī tavā pagalmā ir meteorīts? " 2021-05-24 Preses relīze 2021-05-24 2021-05-20 2021-04-30 2021-02-15 2021-02-13 Aicinām skolēnus un studentus pieteikties
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2021-02-13 (Pēdējās izmaiņas: 2021-02-16 ) 2021-02-08 Meteorītu muzeja JAUNUMU, AKTUALITĀŠU un ZIŅU sadaļai radīts jauns grafisks vizuālā stila veidols.
2021-02-05 2021-01-03 2020-12-30 2020-12-27 2020-12-23 (Pēdējās izmaiņas: 2021-02-08 ) 2020-12-18 Atbilstoši valstī izsludinātajam Covid-19 ārkārtas stāvoklim no 21. decembra visu muzeju iekštelpas uz laiku tiks slēgtas, apmeklētāji netiks pieņemti! Atvainojiet, attiecīgi arī visi š.g. nogalē izsludinātie Meteorītu muzeja pasākumi tiek atcelti! Lūdzu, sekojiet aktuālai informācijai!
2020-11-28 2020-11-20 2020-11-08 Ievērojiet! Šobrīd, atbilstoši Covid-19 stāvoklim valstī, Meteorītu muzeja apmeklējums iespējams tikai ar iepriekšēju e-pierakstu tikai individuāli vai saistītām personām, vienas mājsaimniecības cilvēkiem.
2020-11-08 2020-11-07 (Pēdējās izmaiņas: 2021-02-08 ) Latvijas televīzijas LTV1 raidījums "Aculiecinieks" (2020-11-07) :
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Judīte Čunka, Uģis Kronbergs, Uvis Burjāns "Pa Līksnas meteorīta pēdām" Video pieejams platformās: |
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Judīte Čunka "Pa Līksnas meteorīta pēdām. Kas zināms par 200 gadu seno notikumu?" "Pirms 200 gadiem par to runāja visi – zemnieki krogos, aristokrāti salonos un zinātnieki. No debesīm krita akmeņi. Pasaulē uzzināja par Līksnas meteorītu..."
2020-10-06 2020-09-06 2020-07-05 Meteorītu muzejs Rīgā aicina uz īpašo pasākumu š.g. 12. jūlijā:
(vietu skaits ierobežots!) Nepieciešama iepriekšēja elektroniska reģistrācija ar bezmaksas ieejas kartes saņemšanu. Pasākums tiek organizēts PAR ZIEDOJUMIEM.
Līksnas meteorīts ir pirmais zināmais Latvijas teritorijā nokritušais meteorīts.
2020-06-29 2020-06-25 Meteorītu muzejs Rīgā aicina uz īpašiem Asteroīdu dienas klātienes pasākumiem š.g. 30. jūnijā un 4. jūlijā:
(vietu skaits ierobežots!) Nepieciešama iepriekšēja elektroniska reģistrācija ar bezmaksas ieejas kartes saņemšanu. Pasākums tiek organizēts PAR ZIEDOJUMIEM.
Pēc ilgstošas ārkārtas Covid-19 situācijas dīkstāves, Meteorītu muzejs apmeklētājus atkal pieņems sākot no š.g. Asteroīdu dienas, t.i. 30. jūnija. Šogad Covid-19 situācijas dēļ Rīga ir viena no nedaudzām vietām pasaulē, kur Asteroīdu dienas pasākumi tiek organizēti klātienē. Ierašanās tikai ar iepriekšēju e-pierakstu!
2020-06-02 Mūsu apmeklētāju ērtībai Meteorītu muzejā ir izstrādāta un ieviesta elektronsikā rezervācijas jeb e-pieraksta sistēma:
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2020-01-31 Atbilstoši Covid-19 stāvoklim Meteorītu muzejs uz laiku būs slēgts!
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