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Space.com on MSN
5 小时
Scientists find secret comet in the asteroid belt — how many others are there?
Comets masquerading as asteroids are being found in increasing numbers, with 14 now known in the asteroid belt.
Space on MSN
1 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 ...
Tennessean
12 天
Asteroids pass by each day. Luckily, large asteroid crashes are uncommon.
That is roughly the same width as the entire state of Arizona. Within the last few years, NASA has taken steps to protect ...
1 天
on MSN
Could comets, asteroids be responsible for Earth's rich water reserves? New Nasa study ...
Scientists have reevaluated the water composition of Comet 67P, finding it surprisingly similar to Earth's oceans. This ...
2 天
on MSN
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 ...
Futurism on MSN
6 小时
Scientists Propose Interesting Explanation for Mysterious Signals From Space
Fast radio bursts, hugely powerful discharges of energy emanating from the furthest reaches of outer space, have confounded ...
1 天
on MSN
The water on Earth might have been delivered from space by comets billions of years ago
The water on Earth might have been delivered from space by comets billions of years ago - NASA scientists say Jupiter-family ...
Astronomy on MSN
7 小时
A look back at NEOWISE, the NASA mission that cataloged objects around Earth for over a decade
The project, which gave astronomers a detailed view of near-Earth objects, ended its mission and re-entered the atmosphere ...
2 天
on MSN
Asteroid burns up before hitting Earth creating 'fireball in the sky': See video
A "harmless" asteroid burned up Tuesday night above northern Siberia in Russia, creating a blazing fireball in the sky ...
techexplorist
1 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 ...
Astronomy on MSN
9 小时
NASA releases new infrared images from retired NEOWISE mission
It went dormant for a time until it was started again as NEOWISE in 2013, to search for near-Earth objects (NEOs) including ...
Interesting Engineering on MSN
3 天
Jupiter comet’s water matches Earth’s oceans, may have brought water to globe: NASA
Comet 67P's water has the same molecular signature as Earth's oceans, suggesting it may have contributed to Earth's water ...
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