Meteoriti.LV

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 LAB

   Latvijas Astronomijas biedrība

Meteoritical Bulletin Database
News feed for newly approved meteorites:

• Dominion Range 18218 (L3.8) 2022-09-22
• Dominion Range 18545 (Lunar (bas. breccia)) 2022-09-22
• Dominion Range 18567 (H3.5) 2022-09-22
• Dominion Range 18623 (L-imp melt) 2022-09-22
• Grosvenor Mountains 17119 (Achondrite-ung) 2022-09-22
• Grosvenor Mountains 17188 (EH3) 2022-09-22
• Hassi el Biod 003 (LL5) 2022-09-14
• Northwest Africa 14985 (Diogenite-pm) 2022-09-14
• Northwest Africa 15125 (Winonaite) 2022-09-14
• Northwest Africa 15221 (R3-5) 2022-09-14
• Northwest Africa 15222 (Ureilite) 2022-09-14
• Northwest Africa 15240 (R3) 2022-09-14
• Northwest Africa 15254 (CO3) 2022-09-14
• Northwest Africa 15256 (H3) 2022-09-14
• Northwest Africa 15257 (Eucrite) 2022-09-14
• Northwest Africa 15258 (Eucrite-br) 2022-09-14
• Northwest Africa 15263 (H3) 2022-09-14
• Northwest Africa 15273 (L3) 2022-09-14
• Northwest Africa 15289 (Eucrite) 2022-09-14
• Northwest Africa 15136 (Eucrite-unbr) 2022-09-05

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

• Watch a Nicely Stabilized Video of DART Flying Past Didymos and Slamming Into Dimorphos
  2022-09-28
  Here’s one of the best videos we’ve seen of the last minutes of the Double Asteroid Redirection Test (DART) mission as it headed towards and slammed into the asteroid Dimorphos. This stabilized version of the last five-and-a-half minutes of images leading up to DART’s intentional collision with the asteroid was ...
• This is the Last Thing DART saw as it Smashed Into its Asteroid Target
  2022-09-27
  The first-ever planetary defense technology demonstration mission successfully conducted its mission, slamming into the surface of a distant asteroid and going out in a blaze of glory. NASA’s Double Asteroid Redirection Test (DART) spacecraft acted as a kinetic impactor, colliding with the small and harmless asteroid Dimorphos on September 26 ...

EarthSky

• Moon’s wandering poles revealed in new study
  2022-09-28
  A new study from scientists at NASA's Goddard Space Flight Center "erased craters" to better understand the moon's wandering poles over time. The post Moon’s wandering poles revealed in new study first appeared on EarthSky.

The Planetary Society

• See DART’s final images before it smashed into an asteroid
  2022-09-27
  NASA's Double Asteroid Redirection Test (DART) spacecraft intentionally crashed into Dimorphos, the moon of an asteroid named Didymos.
• DART impact: What to expect
  2022-09-22
  Get ready for NASA's demonstration of a planetary defense technique that could deflect a future asteroid on course to hit Earth.
• Tianwen-3: China’s Mars sample return mission
  2022-09-15
  China's Tianwen-3 aims to be the first to collect samples from Mars and deliver them to Earth, potentially landing back home two years ahead of the NASA and the European Space Agency MSR project
• How NASA will use helicopters to return samples from Mars in 2033
  2022-08-23
  NASA's latest plans for its Mars Sample Return mission will rely on the Perseverance rover and two 'Ingenuity-class' helicopters.
• NASA's InSight mission is dying. Next could come the ‘Mars Life Explorer’
  2022-08-18
  If there is Martian life then it could be in ice water under the red planet’s surface. The Mars Life Explorer, included in the most recent Planetary Science and Astrobiology Decadal Survey, would search for this.
• Comets: big, beautiful, and surprisingly smelly
  2022-08-12
  Get ready for one of the year’s best meteor showers, caused by one of the many intriguing comets of our Solar System.
• Defend your planet
  2022-06-24
  With so many asteroids out there, it’s up to us to defend our planet from impacts. Find out how you can make a difference.

Space Daily

• Insights into Utopia Basin revealed by Mars rover Zhurong
  2022-09-29
  Beijing, China (SPX) Sep 29, 2022 A new radar image obtained by China's Mars rover Zhurong provides insights into the surface structure of the Utopia Planitia basin. The findings - which reveal multiple sub-layers suggestive of sediment deposition following episodic flooding millions of years ago - may improve our understanding of ...
• Scientists depict Dragonfly landing site on Saturn moon Titan
  2022-09-29
  Ithaca NY (SPX) Sep 29, 2022 When NASA's 990-pound Dragonfly rotorcraft reaches the Selk crater region - the mission's target touchdown spot - on Saturn's moon Titan in 2034, Cornell's Lea Bonnefoy '15 will have helped to make it a smooth landing. Bonnefoy and her colleagues assisted the future arrival by ...
• The Perseverance robotic arm tightrope of abrasion proximity science
  2022-09-29
  Pasadena CA (JPL) Sep 22, 2022 The SHERLOC and PIXL proximity science instruments on Perseverance have enabled more detailed observations of Martian chemistry and minerology than ever before. PIXL can isolate features as small as a grain of sand. To achieve this, these instruments on the end of the robotic arm ...

Phys.org

• New clues about early atmosphere on Mars suggest a wet planet capable of supporting life
  2022-09-21
  New research published in Earth and Planetary Science Letters suggests that Mars was born wet, with a dense atmosphere allowing warm-to-hot oceans for millions of years. To reach this conclusion, researchers developed the first model of the evolution of the Martian atmosphere that links the high temperatures associated with Mars's ...
• The number of ancient Martian lakes might have been dramatically underestimated by scientists
  2022-09-16
  Lakes are bodies of water fed by rainfall, snowmelt, rivers and groundwater, through which, Earth is teeming with life. Lakes also contain critical geologic records of past climates. Though Mars is a frozen desert today, scientists have shown that Mars contains evidence of ancient lakes that existed billions of years ...
• Curiosity rover takes inventory of key life ingredient on Mars
  2022-06-28
  Scientists using data from NASA's Curiosity rover have measured the total organic carbon—a key component in the molecules of life—in Martian rocks for the first time.
• NASA experiment suggests need to dig deep for evidence of life on Mars
  2022-06-27
  According to a new NASA laboratory experiment, rovers may have to dig about 6.6 feet (two meters) or more under the Martian surface to find signs of ancient life because ionizing radiation from space degrades small molecules such as amino acids relatively quickly.

• Team identifies parent body materials in Ryugu asteroid
  2022-09-23
  An international team including a researcher from Lawrence Livermore National Laboratory (LLNL) has determined that one specific particle on the asteroid Ryugu can shed light on the unaltered initial materials from its parent body.

• Lunar glass shows moon asteroid impacts mirrored on Earth
  2022-09-28
  A Curtin-led research team has found asteroid impacts on the moon millions of years ago coincided precisely with some of the largest meteorite impacts on Earth, such as the one that wiped out the dinosaurs.
• Scientists depict Dragonfly landing site on Saturn moon Titan
  2022-09-28
  When NASA's 990-pound Dragonfly rotorcraft reaches the Selk crater region—the mission's target touchdown spot—on Saturn's moon Titan in 2034, Cornell's Léa Bonnefoy will have helped to make it a smooth landing.
• MESSENGER reveals a more dynamic Mercury surface
  2022-09-28
  Compared with Earth, the surfaces of most other objects in the solar system appear largely static. Planetary scientists have long believed that impacts from space debris are the principal source of change on these surfaces and that the rate of such impacts has been decreasing with time. Age estimates for ...
• 'Incredible': Astronomers hail first images of asteroid impact
  2022-09-28
  The asteroid is flying through space in the grainy black and white video, when suddenly a massive cloud of debris sprays out in front of it, meaning only one thing: impact.
• NASA's DART spacecraft crashes into asteroid in defense test
  2022-09-27
  A NASA spacecraft rammed an asteroid at blistering speed Monday in an unprecedented dress rehearsal for the day a killer rock menaces Earth.
• NASA spacecraft closes in on asteroid for head-on collision
  2022-09-26
  A NASA spacecraft closed in on an asteroid at blistering speed Monday in an unprecedented dress rehearsal for the day a killer rock menaces Earth.
• The asteroid that formed Vredefort crater was bigger than previously believed
  2022-09-26
  About 2 billion years ago, an impactor hurtled toward Earth, crashing into the planet in an area near present-day Johannesburg, South Africa. The impactor—most likely an asteroid—formed what is today the biggest crater on our planet. Scientists have widely accepted, based on previous research, that the impact structure, known as ...
• Direct impact or nuclear weapons? How to save Earth from an asteroid
  2022-09-26
  NASA's DART mission to test deflecting an asteroid using "kinetic impact" with a spaceship is just one way to defend planet Earth from an approaching object —and for now, the only method possible with current technology.
• NASA to deflect asteroid in key test of planetary defense
  2022-09-26
  NASA will on Monday attempt a feat humanity has never before accomplished: deliberately smacking a spacecraft into an asteroid to slightly deflect its orbit, in a key test of our ability to stop cosmic objects from devastating life on Earth.
• Water in asteroid dust offers clues to life on Earth
  2022-09-25
  Specks of dust retrieved by a Japanese space probe from an asteroid some 300 million kilometres from Earth have revealed a surprising component: a drop of water, scientists said Friday.

• Scientists depict Dragonfly landing site on Saturn moon Titan
  2022-09-28
  When NASA's 990-pound Dragonfly rotorcraft reaches the Selk crater region—the mission's target touchdown spot—on Saturn's moon Titan in 2034, Cornell's Léa Bonnefoy will have helped to make it a smooth landing.
• NASA moon rocket back in hangar, launch unlikely until November
  2022-09-27
  NASA's moon rocket returned to the safety of its hangar Tuesday as Hurricane Ian approached Florida, its launch now unlikely before mid-November.
• Hurricane forces NASA moon rocket to shelter; launch on hold
  2022-09-26
  Hurricane Ian is prompting NASA to move its moon rocket off the launch pad and into shelter, adding weeks of delay to the lunar-orbiting test flight.
• Approaching storm may delay launch try for NASA moon rocket
  2022-09-23
  An approaching storm threatens to delay NASA's next launch attempt for its new moon rocket, already grounded for weeks by fuel leaks.
• Why is a NASA spacecraft crashing into an asteroid?
  2022-09-22
  In the first-of-its kind, save-the-world experiment, NASA is about to clobber a small, harmless asteroid millions of miles away.
• NASA says delayed Moon rocket passed fueling test
  2022-09-22
  NASA said Wednesday it had successfully trialed the fueling process for its new rocket, after technical issues a few weeks ago halted two attempts to get the behemoth off the ground and headed towards the Moon.
• A virtual hiking map for Jezero crater, the Mars 2020 Perseverance rover landing site
  2022-09-21
  Prospective Mars explorers can now take a hike around the landing site of NASA's Mars 2020 Perseverance rover with an interactive map loaded with orbital imagery, terrain data as well as synthetic and real 3D panoramic views of Jezero crater and its surrounding area. The map, which can be accessed ...
• Mars is littered with 15,694 pounds of human trash from 50 years of robotic exploration
  2022-09-21
  People have been exploring the surface of Mars for over 50 years. According to the United Nations Office for Outer Space Affairs, nations have sent 18 human-made objects to Mars over 14 separate missions. Many of these missions are still ongoing, but over the decades of Martian exploration, humankind has ...
• NASA fuels moon rocket in test, hit again with pesky leaks
  2022-09-21
  NASA's new moon rocket sprouted more fuel leaks Wednesday in a test ahead of a possible launch attempt next week, but engineers managed to get them down to acceptable levels.
• Revealing spacecraft geometry effects on impact simulations for NASA's DART mission
  2022-09-20
  NASA's Double Asteroid Redirection Test (DART) spacecraft will crash into asteroid Dimorphos on Sept. 26, executing the first asteroid deflection test that has been years in the planning.

SciTechDaily

• Earth Asteroid Impacts Mirrored on Moon – Including the Dinosaur Killer
  2022-09-29
  Lunar glass shows Moon asteroid impacts mirrored on Earth Scientists have found asteroid impacts on the Moon millions of years ago coincided precisely with some...
• LICIACube Satellite’s First Images From After DART’s Collision With Target Asteroid
  2022-09-28
  On Monday, NASA’s Double Asteroid Redirection Test (DART) successfully impacted its asteroid target Dimorphos after 10 months of flying through space. During the spacecraft’s final...
• Fire Alarm Triggered After Artemis I Rocket Rolled Back in Advance of Hurricane Ian
  2022-09-28
  On Monday, NASA Artemis I managers decided to roll back the Moon rocket based on the latest weather predictions associated with Hurricane Ian not showing...

BBC Science

• Hurricane Ian forces Nasa to shelter Artemis Moon rocket
  2022-09-26
  The Artemis-I vehicle will be pulled off the launch pad in Florida to protect it from storm forces.
• Astronomy Photographer of the Year: 'Once in a lifetime' picture of comet wins award
  2022-09-15
  Winning images of the mysterious and beautiful parts of our Universe are on display in London.

wired.com

• ‘We Are the Asteroid’: The Case for Hope Amid Climate Fears
  2022-09-29
  During the first session of Re:WIRED GREEN, experts laid out their vision for maintaining hope in the face of unprecedented challenges to our planet.
• NASA’s DART Spacecraft Smashes Into an Asteroid—on Purpose
  2022-09-27
  The mission was designed to test whether a probe could knock a hazardous space rock away from a crash course with Earth.

• ‘We Are the Asteroid’: The Case for Hope Amid Climate Fears
  2022-09-29
  During the first session of Re:WIRED GREEN, experts laid out their vision for maintaining hope in the face of unprecedented challenges to our planet.
• NASA’s DART Spacecraft Smashes Into an Asteroid—on Purpose
  2022-09-27
  The mission was designed to test whether a probe could knock a hazardous space rock away from a crash course with Earth.

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