Megatsunami swept over Mars after massive asteroid hit the Red …
2022年12月2日 · Its large size suggests the cosmic impact that dug the hole itself was big, similar in scale to the one from a 6-mile-wide (10 km) asteroid that struck near what is now the town of Chicxulub in...
Mars is an asteroid punching bag, NASA data reveals | Space
2024年6月28日 · Meteorite impacts pepper Mars at a rate up to 10 times more frequent than previous estimates, according to two new research papers that identified the seismic shock waves of these impacts...
Megatsunami swept over Mars after devastating asteroid strike
2022年12月6日 · NASA’s Viking 1 lander may have touched down on the site of a massive megatsunami. Around 3.4 billion years ago, when Mars was a warm, wet world, an asteroid several kilometers wide tore...
NASA’s InSight Lander Detects Stunning Meteoroid Impact on Mars
2022年10月27日 · The impact crater, formed Dec. 24, 2021, by a meteoroid strike in the Amazonis Planitia region of Mars, is about 490 feet (150 meters) across, as seen in this annotated image taken by the High-Resolution Imaging Science Experiment (HiRISE camera) aboard NASA’s Mars Reconnaissance Orbiter.
Mars gets hit by hundreds of basketball-size space rocks every year - CNN
2024年6月29日 · Hundreds of basketball-size space rocks slam into Mars each year, leaving behind impact craters and causing rumblings across the red planet, according to new research.
Giant Mars asteroid impact creates vast field of destruction with 2 ...
2024年3月28日 · Over two million years ago, a giant asteroid slammed into Mars, scarring the surface with one massive crater and around two billion smaller individual craters. These secondary craters...
Colossal 'planet killer' asteroid sparked mega-tsunami on Mars, …
2022年12月2日 · A newly discovered impact crater on Mars was likely left by an enormous asteroid that slammed into the Red Planet around 3.4 billion years ago and may have triggered an 800-foot-tall...
Giant Asteroid Collision May Have Radically Transformed Mars
2015年2月25日 · When the team simulated a collision with an asteroid about 4,000 kilometers across (slightly larger than Earth’s moon) they found that it caused the crust of the “virtual” Mars to reform into...
Making Mars’ Moons: Supercomputers Offer ‘Disruptive’ New
5 天之前 · Tugged by the gravity of both Mars and the Sun, in the simulations some of the remaining asteroid pieces are set on paths to collide with one another, every encounter further grinding them down and spreading more debris. Many collisions later, smaller chunks and debris from the former asteroid could have settled into a disk encircling the planet.
Analysis of NASA InSight data suggests Mars hit by meteoroids …
2024年6月28日 · The impact crater, formed Dec. 24, 2021, by a meteoroid strike in the Amazonis Planitia region of Mars, is about 150 meters across, as seen in this annotated image taken by the High-Resolution Imaging Science Experiment aboard NASA’s Mars Reconnaissance Orbiter.