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10 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." ...
23 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.
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 ...
21 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 ...
New Scientist
1 天
Meteorite crystals show evidence of hot water on ancient Mars
A rock that formed around 4.5 billion years ago on Mars before being blasted into space by a meteor strike and making its way ...
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 ...
10 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 ...
5 天
on MSN
Earth ring theory may shed light on an unexplained ancient climate event, scientists say
Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...
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 ...
Space.com
8 天
Mars meteorite found in drawer reveals history of water on Red Planet
"We think the water came from the melting of nearby sub-surface ice called permafrost, and that the permafrost melting was ...
2 天
This Meteorite Just Revealed an Ancient Signal of Water on Mars
According to a new analysis of the Lafayette Meteorite, minerals within it formed in the presence of water 742 million years ...
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 ...
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