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Space.com
1 小时
Most of Earth's meteorites may have come from the same 3 spots
The vast majority of Earth's meteorites come from these three asteroid families, according to researchers.
2 小时
Ancient meteorite was 'giant fertilizer bomb' for life on Earth
The space rock that slammed into Earth 66 million years ago at the end of the Cretaceous Period caused a global calamity that ...
Knowridge
22 小时
Scientists date the moon’s oldest crater to 4.32 billion years
Scientists have discovered that the oldest and largest impact basin on the moon, called the South Pole-Aitken (SPA) basin, is ...
2 天
How did cockroaches survive the asteroid that led to the extinction of dinosaurs?
The meteor’s impact triggered a cascade of effects. It kicked up so much dust that the sky darkened. As the sun dimmed, ...
What If on MSN
2 天
What If the Largest Asteroid Hit Earth?
Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but ...
3 天
‘70% of meteorites’: Scientists discover the asteroid family responsible for most ...
Scientists have traced the source of more than 70% of meteorites that have hit Earth to specific asteroid families, providing ...
4 天
Astronomers trace the origin of meteorites that have struck Earth
Meteorites - rocks that fall to Earth from space - have pelted our planet from its birth about 4.5 billion years ago to today ...
Inverse
5 天
Nearly All Meteorites That Smash Into Earth Came From These 3 Ancient Collisions
Over time, the meteorites that land on Earth will be able to tell the story of events happening 200 million miles away in ...
Live Science
6 天
Phew! No 'doomsday' asteroids hide in famous broken comet's debris stream
The Taurid Meteoroid Stream, which is possibly responsible for the famous Tunguska and Chelyabinsk impacts, probably doesn't ...
7 天
Astounding New 3D Images Reveal Ancient Asteroid Crater Hidden Beneath Atlantic Ocean
Detailed images of the 66-million-year-old Nadir Crater offer new insights into catastrophic asteroid impacts, showing ...
CNET
8 天
The Age of Dinosaurs Ended With Two Asteroid Impacts, Scientists Say
The Nadir crater is the impact site of the second asteroid, liquifying the rock and launching a tsunami into the Atlantic ...
Winona Daily News
9 天
Scientists in France recreate the head of ancient 9-foot-long bug
Most fossils of the extinct creatures have no heads, but researchers analyzed complete fossils of juveniles and were able to ...
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