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8 小时
NASA’s New Discovery: Earth’s Oceans May Have Cosmic Origins
New research on Comet 67P indicates that its water may be similar to Earth's, contradicting earlier findings by Rosetta's ...
Live Science on MSN
1 天
Comets played a 'major' role in making life on Earth possible, new study hints
A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought.
ExtremeTech on MSN
1 天
Astronomers Find 7 'Dark Comets,' Discover They Come In 2 Different Flavors
The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.
Interesting Engineering on MSN
10 天
Jupiter comet’s water matches Earth’s oceans, may have brought water to globe: NASA
New research indicates that the water on Comet 67P/Churyumov–Gerasimenko has a molecular signature closely matching that of ...
Newsweek on MSN
7 天
NASA Reveals Jupiter Comets May Have Brought Water to Earth
Scientists have revived the theory that short-period comets could have played a crucial role in filling Earth's oceans with ...
The Brighterside of News on MSN
2 天
Researchers discover the origin of Earth's water - billions of years ago
Water is fundamental to life on Earth, yet the origins of this vital resource remain a scientific puzzle. Researchers have ...
Space on MSN
8 天
Comets probably delivered Earth its water billions of years ago, new study reveals
Water. All life on Earth requires it in some way or another, and it's hard to miss that roughly 70% of our planet's surface ...
8 天
on MSN
Special delivery: New study suggests water came to early Earth via comets
Scientists uncovered new insights regarding the potential role of comets, particularly Comet 67P/Churyumov-Gerasimenko, in ...
techexplorist
8 天
Water on comet has a similar molecular signature to the water in Earth’s oceans
The origin of Earth’s abundant liquid water is still debated. Research suggests some water came from volcanic vapor that ...
5 天
Where Did Earth's Oceans Come From? Scientists Say They Originated From Comets
Scientists have long debated how Earth became rich in liquid water after the planet formed about 4.5 billion years ago. Now a ...
8 天
'Delivered by a Comet': Scientists suggest that Earth's water came from beyond our Solar System
A recent study led by NASA’s Goddard Space Flight Center investigates the potential role of comets in delivering water to ...
earth
5 天
Comets may have delivered water to Earth
Recent studies show comet dust influenced earlier measurements of water’s origins on Earth, challenging previous findings.
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