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7 小时
Scientists trace origin of Earth's mysterious 'minimoon' days before it escapes into space ...
A new study reveals that the asteroid 2024 PT5, which has been orbiting Earth for 2 months, may have a "lunar origin." ...
Interesting Engineering on MSN
20 小时
4.45 billion-year-old mineral reveals hot water activity on Mars
Scientists analyzing the 'Black Beauty' meteorite have discovered a zircon grain that hints at hydrothermal systems on early ...
21 小时
Rare Asteroid Sample Contaminated by Microorganisms Despite Scientists’ Best Efforts
A chunk of rock collected from the asteroid Ryugu contains bacteria—but, unfortunately, it's not evidence of alien life.
1 天
4-billion-year-old mineral offers clues about Mars’ steaming hot past
The team analyzed meteorites from a large space rock designated as NWA7034 or “Black Beauty.” While all Martian meteorites have clues about the planet’s geologic history, most of them are igneous ...
Live Science on MSN
8 天
Meteorite found in a drawer at university contains 700-million-year-old evidence of water ...
The Lafayette meteorite was discovered in a drawer at Purdue University in 1931, with no clear indication of how it got there ...
9 天
Meteorite found in a drawer in 1929 contains ancient evidence of liquid water on Mars
A sliver of Martian rock that once lay hidden in a university drawer has helped researchers better understand the Red ...
earth
2 天
Meteorite found in an old desk shows Mars had water about 700 million years ago
The study identified when water interacted with the meteorite and established that the dating was unaffected by events after ...
9 天
on MSN
Rock once forgotten in a drawer plays key part in dating water on Mars
Despite the team's success in dating the water-rock interaction, the researchers don't think Mars was teeming with water at ...
10 天
on MSN
Meteorite contains evidence of liquid water on Mars 742 million years ago
An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of ...
Knowridge
3 天
What a misplaced meteorite told us about Mars
Mars was a frigid, dry, dead world, just like it is now. Something slammed into the unfortunate planet, sending debris into ...
ExtremeTech on MSN
9 天
Scientists Say Martian Meteorite Encountered Water on Mars
The unlikely journey that brought the Lafayette Meteorite to Purdue University’s Department of Earth, Atmospheric, and ...
7 天
How a Martian Meteorite Found in a Drawer Rewrites Mars’ Water History
Scientists have traced the origins of the Lafayette Meteorite back to Mars, dating its water-altered minerals to 742 million ...
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