Meteoriti.LV

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   Latvijas Astronomijas biedrība

Meteoritical Bulletin Database
News feed for newly approved meteorites:

• Aydar 008 (Lodranite) 2022-05-27
• Northwest Africa 14449 (R3) 2022-05-27
• Northwest Africa 14700 (CR2) 2022-05-27
• Northwest Africa 14799 (Pallasite, PMG) 2022-05-27
• Northwest Africa 14810 (CK6) 2022-05-27
• Northwest Africa 14837 (CV3) 2022-05-27
• Northwest Africa 14838 (CV3) 2022-05-27
• Ad Damer (Iron, IAB complex) 2022-05-26
• Erg Atouila 002 (Diogenite) 2022-05-26
• Lahmada 049 (Pallasite) 2022-05-26
• Northwest Africa 14558 (Winonaite) 2022-05-26
• Northwest Africa 14563 (Howardite) 2022-05-26
• Northwest Africa 14565 (Diogenite) 2022-05-26
• Northwest Africa 14566 (Winonaite) 2022-05-26
• Northwest Africa 14617 (L3) 2022-05-26
• Northwest Africa 14845 (R3) 2022-05-26
• Northwest Africa 14878 (R3) 2022-05-26
• Northwest Africa 14880 (CV3) 2022-05-26
• Northwest Africa 14883 (R3) 2022-05-26
• Northwest Africa 14933 (CVred3) 2022-05-26

NASA CNEOS

• US Space Force Releases Decades of Bolide Data to NASA for Planetary Defense Studies
  2022-04-07
  Hosted by JPL’s Center for Near Earth Object Studies, the data can be used by the science community to better understand how asteroids break up when entering the atmosphere.
• Updated Calculations Refine the Impact Probability for (29075) 1950 DA
  2022-03-29
  (29075) 1950 DA is a kilometer-sized asteroid that will make a close approach to Earth in 2880 and, because of the corresponding impact probability and size, has ranked at the top of the Sentry risk list since 2014.
• NASA System Predicts Impact of Small Asteroid
  2022-03-15
  A small asteroid hit Earth’s atmosphere over the Norwegian Sea before disintegrating on March 11, 2022. But this event wasn’t a complete surprise: Astronomers knew it was on a collision course, predicting exactly where and when the impact would happen.
• NASA’s Next-Generation Asteroid Impact Monitoring System Goes Online
  2021-12-06
  To date, nearly 28,000 near-Earth asteroids (NEAs) have been found by survey telescopes that continually scan the night sky, adding new discoveries at a rate of about 3,000 per year. But as larger and more advanced survey telescopes turbocharge the search over the next few years, a rapid uptick in ...
• International Observation Campaign Will Assess Asteroid Timing Accuracies
  2021-10-07
  The International Asteroid Warning Network (IAWN) will conduct an observational campaign in November with the goal of assessing the accuracy of the observation times reported by asteroid observers.
• Tiny Asteroid Buzzes by Earth - the Closest Flyby on Record
  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 ...
• Asteroid 1998 OR2 to Safely Fly Past Earth This Week
  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.
• Small Asteroid to Safely Fly by Earth
  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.
• Tiny Object Discovered in Distant Orbit Around the Earth
  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 ...
• Newly Discovered Comet Is Likely Interstellar Visitor
  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 ...

NASA Jet Propulsilon Laboratory:

• New Data Confirm 2020 SO to Be the Upper Centaur Rocket Booster From the 1960's
  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.
• MOXIE Could Help Future Rockets Launch Off Mars
  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.
• Independent Review Indicates NASA Prepared for Mars Sample Return Campaign
  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.
• Impact Craters Reveal Details of Titan's Dynamic Surface Weathering
  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.
• NASA InSight's 'Mole' Is Out of Sight
  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.
• This Transforming Rover Can Explore the Toughest Terrain
  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.
• NASA's Perseverance Rover Will Peer Beneath Mars' Surface
  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.
• AI Is Helping Scientists Discover Fresh Craters on Mars
  2020-10-01
  It's the first time machine learning has been used to find previously unknown craters on the Red Planet.
• School Bus-Size Asteroid to Safely Zoom Past Earth
  2020-09-22
  Roughly 15 to 30 feet wide, the object will make its closest approach on Sept. 24.
• Comet Discovered to Have Its Own Northern Lights
  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.

Univere Today

• Update on the Potential May 31st tau Herculid Meteor Storm
  2022-05-25
  If skies are clear, be sure to watch for a potential meteor outburst early next Tuesday morning. The post Update on the Potential May 31st tau Herculid Meteor Storm appeared first on Universe Today.

EarthSky

• Sharkcano, an undersea volcano where sharks live
  2022-05-26
  The underwater Kavachi volcano in the Solomon Islands is being called a "sharkcano" because scientists found sharks living in its crater. The post Sharkcano, an undersea volcano where sharks live first appeared on EarthSky.
• Watch asteroid 7335 (1989 JA) sweep past today and tomorrow
  2022-05-26
  Large asteroid 7335 (1989 JA) will safely pass our planet on May 27, 2022, coming closer than it will again for the next 200 years. The post Watch asteroid 7335 (1989 JA) sweep past today and tomorrow first appeared on EarthSky.

The Planetary Society

• A little too close for comfort
  2022-05-20
  From gas orbiting a supermassive black hole to asteroids orbiting near the Earth, sometimes the vastness of space can feel a bit tight.
• When to worry about an asteroid striking Earth
  2022-05-10
  The chances of large impacts from asteroids and near-Earth objects capable of causing widespread damage on Earth are small — but they aren’t zero.
• Planetary Science Decadal Survey: After the Red Planet, an Ice Giant
  2022-04-19
  After completing Mars Sample Return, Uranus should be the target of NASA's next major planetary mission, according to a major new report by the National Academies of Sciences.
• Apollo 16
  2022-04-15
  Astronauts John Young, Charlie Duke and Ken Mattingly launched on April 16, 1972, to explore the lunar highlands of Descartes crater.
• Announcing the First-Ever STEP Grant Winners: Citizen Science SETI and Determining Asteroid Properties
  2022-03-16
  The new STEP Grants program is designed to regularly compete a significant portion of The Planetary Society’s science and technology portfolio.
• Why you should advocate for planetary defense
  2022-02-28
  People like you need to take action to defend our planet from asteroid impacts.
• What light through yonder prism splits?
  2022-02-18
  Discover how we use light to look for signs of life beyond Earth, and meet the newest batch of Planetary Society-funded asteroid hunters.
• Announcing the 2021 Shoemaker NEO Grant Winners
  2022-02-16
  More funds than ever before support the work of asteroid hunters from around the world.
• Alone in space, but not lonely
  2022-01-21
  Comet Leonard heads out to roam free in interstellar space, alongside rogue planets, their moons, and maybe even life.

Space Daily

• New meteor shower? How many meteors will I see, really?
  2022-05-29
  Greenbelt MD (SPX) May 29, 2022 Astronomers are excited about the possibility of a new meteor shower May 30-31. And that excitement has sparked a lot of information about the tau Herculids. Some has been accurate, and some has not. We get excited about meteor showers, too! But sometimes events like ...

Phys.org

• Could the blueprint for life have been generated in asteroids?
  2022-04-26
  Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, this discovery demonstrates that these genetic parts are available ...
• Meteorites from the red desert of Australia support search for life on Mars
  2022-04-22
  Monash University, University of Queensland and Australian National University researchers have used ANSTO's Australian Synchrotron in their study of meteorites found on Earth that could be used in future to find evidence of life on the planet Mars.
• Extremely harsh volcanic lake shows how life might have existed on Mars
  2022-01-28
  A few specialist microbes survive conditions analogous to those of Mars' early history, reports a new publication in Frontiers in Astronomy and Space Science—and this may be thanks to a broad range of adaptations. The hydrothermal crater lake of the Poás volcano in Costa Rica is one of the most ...
• Confirming liquid water beneath Martian south polar cap
  2022-01-25
  A Southwest Research Institute scientist measured the properties of ice-brine mixtures as cold as -145 degrees Fahrenheit to help confirm that salty water likely exists between grains of ice or sediment under the ice cap at Mars' south pole. Laboratory measurements conducted by SwRI geophysicist Dr. David Stillman support oddly ...
• Study nixes Mars life in meteorite found in Antarctica
  2022-01-16
  A 4 billion-year-old meteorite from Mars that caused a splash here on Earth decades ago contains no evidence of ancient, primitive Martian life after all, scientists reported Thursday.

• Why haven't we discovered co-orbital exoplanets? Tides may offer a possible answer
  2022-05-26
  In our solar system, there are several thousand examples of co-orbital objects: bodies that share the same orbit around the sun or a planet. The Trojan asteroids are such an example. We have not yet observed any similar co-orbitals in extrasolar systems, despite discovering more than 5,000 exoplanets. In a ...
• Largest asteroid to approach Earth in 2022 will zoom past our planet this week
  2022-05-24
  A "potentially hazardous" asteroid measuring more than a mile long will zoom past Earth this week, the largest asteroid expected to get relatively close to our planet in 2022.
• The chaotic early phase of the solar system
  2022-05-24
  Before the Earth and other planets formed, the young sun was still surrounded by cosmic gas and dust. Over the millennia, rock fragments of various sizes formed from the dust. Many of these became building blocks for the later planets. Others did not become part of a planet and still ...

• On Mars, NASA's Perseverance rover's playlist is like no other
  2022-05-25
  Since NASA's Perseverance rover landed on Mars, its two microphones have recorded hours of audio that provide valuable information about the Martian atmosphere.
• The chaotic early phase of the solar system
  2022-05-24
  Before the Earth and other planets formed, the young sun was still surrounded by cosmic gas and dust. Over the millennia, rock fragments of various sizes formed from the dust. Many of these became building blocks for the later planets. Others did not become part of a planet and still ...
• Ceres probably formed farther out in the solar system and migrated inward
  2022-05-19
  When Sicilian astronomer Giuseppe Piazzi spotted Ceres in 1801, he thought it was a planet. Astronomers didn't know about asteroids at that time. Now we know there's an enormous quantity of them, primarily residing in the main asteroid belt between Mars and Jupiter.
• Humans have big plans for mining in space, but there are many things holding us back
  2022-05-16
  Like Earth, planetary bodies such as the moon, Mars, asteroids and comets contain substantial deposits of valuable resources. This has caught the attention of both researchers and industry, with hopes of one day mining them to support a space economy.
• New study indicates limited water circulation late in the history of Mars
  2022-05-13
  A research team led by Lund University in Sweden has investigated a meteorite from Mars using neutron and X-ray tomography. The technology, which will probably be used when NASA examines samples from the Red Planet in 2030, showed that the meteorite had limited exposure to water, thus making life at ...

• Why haven't we discovered co-orbital exoplanets? Tides may offer a possible answer
  2022-05-26
  In our solar system, there are several thousand examples of co-orbital objects: bodies that share the same orbit around the sun or a planet. The Trojan asteroids are such an example. We have not yet observed any similar co-orbitals in extrasolar systems, despite discovering more than 5,000 exoplanets. In a ...
• Webb telescope nearly set to explore the solar system
  2022-05-20
  As NASA's James Webb Space Telescope moves through the final phases of commissioning its science instruments, we have also begun working on technical operations of the observatory. While the telescope moves through space, it will constantly find distant stars and galaxies and point at them with extreme precision to acquire images and spectra. ...

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