Meteoriti.LV

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   Latvijas Astronomijas biedrība

NASA CNEOS

• CNEOS Predicts Another Small Asteroid Impact, This One over Northwestern France
  2023-02-14
  Another tiny asteroid on a collision course with Earth was detected over the weekend, and JPL’s CNEOS Scout system accurately predicted where and when the impact would happen, well before it actually occurred.
• NASA System Predicts Small Asteroid to Pass Close by Earth This Week
  2023-01-25
  On Thursday, Jan. 26, a small near-Earth asteroid will have a very close encounter with our planet. Designated 2023 BU, the asteroid will zoom over the southern tip of South America at about 4:27 p.m. PST (7:27 p.m. EST) only 2,200 miles (3,600 kilometers) above the planet’s surface and well ...
• NASA Program Predicted Impact of Small Asteroid Over Ontario, Canada
  2022-11-22
  In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth’s atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn’t a surprise. Roughly 1 ...
• 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.
• Planetary Radar Observes 1,000th Near-Earth Asteroid Since 1968
  2021-09-03
  On Aug. 14, 2021, a small near-Earth asteroid (NEA) designated 2021 PJ1 passed our planet at a distance of over 1 million miles (about 1.7 million kilometers). Between 65 and 100 feet (20 and 30 meters) wide, the recently discovered asteroid wasn’t a threat to Earth. But this asteroid’s approach ...
• NASA Spacecraft Provides Insight into Asteroid Bennu's Future Orbit
  2021-08-11
  In a study released Wednesday, NASA researchers used precision-tracking data from the agency's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft to better understand movements of the potentially hazardous asteroid Bennu through the year 2300, significantly reducing uncertainties related to its future orbit, and improving scientists' ability to determine ...

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.

Astronomy Now

• NASA gearing up for OSIRIS-REx asteroid sample recovery
  2023-03-27
  Procedures are being refined to ensure the safe recovery of samples from asteroid Bennu when they are returned to Earth by the OSIRIS-REx spacecraft on 24 September.

EarthSky

• Meteor shower guide: Next up, the Lyrids
  2023-03-30
  Your meteor shower guide for 2023. There are some good ones! Next up ... the Lyrids in April. And then, the Eta Aquariids in May. The post Meteor shower guide: Next up, the Lyrids first appeared on EarthSky.

The Planetary Society

• Asteroids worth getting psyched about
  2023-03-24
  New discoveries from Ryugu, material heading our way from Bennu, and anticipation for a mission to Psyche.
• Volcanic Venus, myriad moons, and space sonification
  2023-03-17
  Learn all about the possible volcanic activity found on Venus, the facts about a hyped-up near-Earth asteroid, Jupiter’s newest moons, and what space images sound like.
• The Planetary Society is co-hosting “Asteroid Hunters” screening in Vienna
  2023-03-16
  The Planetary Society and the Planetary Defense Conference are proud to present a special screening of the IMAX original film “Asteroid Hunters” in Vienna, Austria on Wednesday, 5 April.
• Never let a rock sneak up on you
  2023-03-03
  Finding asteroids before they hit Earth not only protects us from harm, it can also yield beautiful photos.
• The coolest new space pictures: February 2023
  2023-02-28
  This month's featured image is a small asteroid burning up in Earth’s atmosphere, captured by a photographer in the right place at the right time.
• Demystifying near-Earth asteroids
  2023-02-27
  The Planetary Society is supporting researchers at the University of Belgrade, Serbia, as they work to determine what near-Earth asteroids are made of without leaving our planet.
• Why we need the NEO Surveyor space telescope
  2023-02-23
  A space-based solution like NEO Surveyor will find more asteroids, more quickly, than any ground-based alternative. Combined with deflection technology, this gives humanity a chance to alter its fate should a threatening asteroid be found early enough.
• What was the Chelyabinsk meteor event?
  2023-02-15
  When an asteroid exploded in the atmosphere above Chelyabinsk, Russia on Feb. 15, 2013, it made history and underscored the importance of planetary defense.
• What does a bear have in common with a megatsunami?
  2023-02-10
  An old image of Mars drives scientific questions today, moons and mini asteroids fuel fascination, and an unexpected ursine figure shows itself.
• More worlds, anyone?
  2023-02-03
  The more we search, the more we find. From exoplanets to moons to asteroids, the list of worlds just keeps growing.

Space Daily

• Redness of Neptunian asteroids sheds light on early Solar System
  2023-03-30
  London, UK (SPX) Mar 29, 2023 Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red colour, implying the existence of two populations of asteroids in the region, according to a new study by an international team of researchers. The research is ...
• Psyche updated plan puts mission on track for October launch
  2023-03-30
  Pasadena CA (JPL) Mar 30, 2023 NASA's Psyche mission, which will explore a metal-rich asteroid of the same name, is on track to launch in October 2023 after a one-year delay to complete critical testing. The launch period will open Oct. 5 and close Oct. 25. The asteroid, which lies in ...

Phys.org

• Astrobiologist suggests we look for signs of life from elsewhere in the galaxy by studying space dust
  2023-03-26
  Tomonori Totani, an astrobiologist with the University of Tokyo is proposing that the search for life beyond Earth be expanded to the study of space dust. In his paper published in the journal International Journal of Astrobiology, he suggests that space dust could be harboring signs of life blasted away ...
• New asteroid sample study offers further hints of space origin for the building blocks of life on Earth
  2023-03-25
  How did life come about? The answer to this question goes to the very heart of our existence on planet Earth.
• Searching for life with space dust
  2023-03-22
  Following enormous collisions, such as asteroid impacts, some amount of material from an impacted world may be ejected into space. This matter can travel vast distances and for extremely long periods of time. In theory, this substance could contain direct or indirect signs of life from the host world, such ...
• RNA molecule uracil found in asteroid Ryugu samples
  2023-03-21
  Researchers have analyzed samples of the asteroid Ryugu collected by the Japanese Space Agency's Hayabusa2 spacecraft and found uracil, one of the informational units that make up RNA, the molecules that contain the instructions for how to build and operate living organisms. Nicotinic acid, also known as Vitamin B3 or ...
• Meteorites reveal likely origin of Earth's volatile chemicals
  2023-01-27
  Meteorites have told Imperial researchers the likely far-flung origin of Earth's volatile chemicals, some of which form the building blocks of life.
• New Mars Sample Receiving Project office in Houston will curate first samples returned from Mars
  2023-01-24
  NASA announced Thursday its new Mars Sample Receiving Project office, responsible for receiving and curating the first samples returned from the Red Planet, will be located at the agency's Johnson Space Center in Houston. The safe and rapid release of Mars samples after they return to Earth to laboratories worldwide ...

• New Mars research review tells story of the red planet's atmosphere evolution
  2023-03-30
  Mars is one of the most studied planets in our solar system, second only to Earth. Signs point to the red planet once existing as a habitable world like our own, mustering intense fascination from scientists to understand the history of Mars' environment and how it came to its present ...
• The asteroid Didymos may be spinning so fast it is flinging off rubble
  2023-03-30
  A team of planetary scientists at Universidad de Alicante, in Spain, has found that the asteroid Didymos may be spinning so fast that it is flinging off rubble from near its equator. In their paper published in the journal Icarus, the group describes their study of the asteroid and explain ...
• Redness of Neptunian asteroids sheds light on early solar system
  2023-03-28
  Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red color, implying the existence of two populations of asteroids in the region, according to a new study by an international team of researchers. The research is published in the journal Monthly ...

• New Mars research review tells story of the red planet's atmosphere evolution
  2023-03-30
  Mars is one of the most studied planets in our solar system, second only to Earth. Signs point to the red planet once existing as a habitable world like our own, mustering intense fascination from scientists to understand the history of Mars' environment and how it came to its present ...
• The asteroid Didymos may be spinning so fast it is flinging off rubble
  2023-03-30
  A team of planetary scientists at Universidad de Alicante, in Spain, has found that the asteroid Didymos may be spinning so fast that it is flinging off rubble from near its equator. In their paper published in the journal Icarus, the group describes their study of the asteroid and explain ...
• Redness of Neptunian asteroids sheds light on early solar system
  2023-03-28
  Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red color, implying the existence of two populations of asteroids in the region, according to a new study by an international team of researchers. The research is published in the journal Monthly ...
• Two meteorites are providing a detailed look into outer space
  2023-03-26
  If you've ever seen a shooting star, you might have actually seen a meteor on its way to Earth. Those that land here are called meteorites and can be used to peek back in time, into the far corners of outer space or at the earliest building blocks of life. ...
• New asteroid sample study offers further hints of space origin for the building blocks of life on Earth
  2023-03-25
  How did life come about? The answer to this question goes to the very heart of our existence on planet Earth.
• RNA base in asteroid samples suggests origins of life on Earth: Study
  2023-03-25
  The black particles from an asteroid some 300 million kilometers away look unremarkable, like pieces of charcoal, but they hold a component of life itself.
• Large asteroid to zoom between Earth and Moon
  2023-03-25
  A large asteroid will safely zoom between Earth and the Moon on Saturday, a once-in-a-decade event that will be used as a training exercise for planetary defense efforts, according to the European Space Agency.
• Planetary scientist who redirects asteroids with NASA discusses Asteroid 2023 DZ2
  2023-03-24
  NASA's Center for Near Earth Object Studies detected an asteroid that will pass Earth by 108,758 miles this weekend, which is closer than the moon's distance from Earth 238,855 miles away.
• NASA prepares for historic asteroid sample delivery on Sept. 24
  2023-03-24
  NASA's OSIRIS-REx spacecraft is cruising back to Earth with a sample it collected from the rocky surface of asteroid Bennu. When its sample capsule parachutes down into the Utah desert on Sept. 24, OSIRIS-REx will become the United States' first-ever mission to return an asteroid sample to Earth.
• Fly around Jezero Crater on Mars in this new video
  2023-03-24
  There's a reason Jezero Crater was chosen as the landing site for the Perseverance Rover: it is considered one of the likeliest places to find any evidence if Mars was ever habitable for long periods of time. In this great new flyby video from ESA, you can get a birds-eye ...

• Large asteroid to zoom between Earth and Moon
  2023-03-25
  A large asteroid will safely zoom between Earth and the Moon on Saturday, a once-in-a-decade event that will be used as a training exercise for planetary defense efforts, according to the European Space Agency.
• NASA prepares for historic asteroid sample delivery on Sept. 24
  2023-03-24
  NASA's OSIRIS-REx spacecraft is cruising back to Earth with a sample it collected from the rocky surface of asteroid Bennu. When its sample capsule parachutes down into the Utah desert on Sept. 24, OSIRIS-REx will become the United States' first-ever mission to return an asteroid sample to Earth.
• Fly around Jezero Crater on Mars in this new video
  2023-03-24
  There's a reason Jezero Crater was chosen as the landing site for the Perseverance Rover: it is considered one of the likeliest places to find any evidence if Mars was ever habitable for long periods of time. In this great new flyby video from ESA, you can get a birds-eye ...
• Measuring the cohesive force of meteorite fragments to identify the mobility of asteroids
  2023-03-22
  The cohesive force of asteroid particles influence microgravity and can be evaluated under several assumptions of particle size and their sensitivity to particle shape. Approximately hundreds of kilograms of material fall on to Earth's atmosphere daily from space, and filter down as tiny grains and fine dust. Many meteorites that ...

SciTechDaily

• NASA Conducts Long Duration Hot Fire Test of Redesigned RS-25 Moon Rocket Engine
  2023-03-29
  NASA conducted a long-duration hot fire of an RS-25 certification engine on March 21, continuing a key series of testing to support future Space Launch...

Science Daily

• Redness of Neptunian asteroids sheds light on early Solar System
  2023-03-28
  Asteroids sharing their orbits with the planet Neptune have been observed to exist in a broad spectrum of red color, implying the existence of two populations of asteroids in the region, according to a new study by an international team of researchers.
• Two meteorites are providing a detailed look into outer space
  2023-03-27
  If you've ever seen a shooting star, you might have seen a meteor on its way to Earth. Those that land here can be used to peek back in time, into the far corners of outer space or at the earliest building blocks of life. Scientists have conducted some of ...
• Surprisingly simple explanation for the alien comet 'Oumuamua's weird orbit
  2023-03-22
  When the first interstellar comet ever seen in our solar system was discovered in 2017, one characteristic -- an unexplained acceleration away from the sun -- sparked wild speculation, including that it was an alien spacecraft. An astrochemist found a simpler explanation and tested it with an astronomer: in interstellar ...
• Searching for life with space dust
  2023-03-22
  Following enormous collisions, such as asteroid impacts, some amount of material from an impacted world may be ejected into space. This material can travel vast distances and for extremely long periods of time. In theory this material could contain direct or indirect signs of life from the host world, such ...

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