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techexplorist
48 分钟
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 ...
Space on MSN
19 小时
Behold! These gorgeous never-before-seen space images are from a NASA space telescope that ...
NASA's Wide-field Infrared Survey Explorer (WISE) spacecraft launched to Earth orbit in 2009 and was placed in hibernation in ...
23 小时
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 ...
India Today
11 小时
Where do all asteroids come from? Here is the answer
Some asteroids are believed to be comets that have lost their volatile materials after repeated passes near the Sun, leaving ...
17 小时
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 ...
15 小时
on MSN
NASA Monitoring 39-Foot Asteroid Nearing Earth
"Asteroids are 'bits of a planet that didn't happen' that orbit the sun between Mars and Jupiter in the main asteroid belt," ...
14 小时
on MSN
Asteroid Heading Toward Earth Blazes Across Sky in Fireball Over Siberia
The European Space Agency said that the asteroid, which was about 27.5 inches wide, was seen burning up across the sky on Dec ...
Al Bawaba News
2 小时
NASA project ends after recording objects around Earth for a decade
ALBAWABA - The NASA NEOWISE project came to an end after more than ten years of helping astronomers keep an eye on near-Earth ...
La Brújula Verde
1 小时
The Newly Formed Earth Was a Dry and Hot Place: A Theory Explains How Water Arrived Here ...
A group of scientists from the Paris Observatory has proposed a new theory about how water arrived on Earth, a key question ...
WRIC Richmond on MSN
12 小时
VMI professor helps discover new molecules in space
The Virginia Military Institute has announced an out-of-this-world discovery by an assistant professor and research team ...
Space on MSN
17 小时
Asteroid the size of 3 million elephants zooms past Earth
The asteroid, called 2020 XR, made its closest approach today at approximately 12:26 a.m. EST (0526 GMT), passing just under ...
The Weather Network
12 小时
NEOWISE, NASA's asteroid hunter, has met its end after 15 years in space
The NASA mission that cataloged objects around Earth for over a decade has burned up in our planet's atmosphere.
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