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2 小时
on MSN
Astronomers trace the origin of meteorites that have struck Earth
Meteorites - rocks that fall to Earth from space - have pelted our planet from its birth about 4.5 billion years ago to today ...
Scientific American
4 小时
Ancient Seafloor Discovered Slowly Sinking into Earth’s Mantle
A vast, ancient slab of seafloor plunged beneath the Pacific Ocean and has hovered in Earth’s mantle for more than 120 ...
19 小时
The system that moves water around the Earth is off balance for the first time in human history
Destructive land use, mismanagement and climate change are fueling a water disaster set to wreak havoc on economies and lives ...
Space.com
37 分钟
How much do SpaceX's reentering Starlink satellites pollute Earth's atmosphere?
About 40% of disused satellites burning up in Earth's atmosphere these days belong to SpaceX 's Starlink megaconstellation, according to Andrew Bacon, the chief technology officer and co-founder of ...
2 天
‘Doomsday Swarm’ Hides 14 Large Asteroids That Could Hit Earth In Future, Scientists Say
There aren’t as many potentially hazardous asteroids lurking near Earth as previously thought, according to a new study.
1 天
on MSN
Some of Earth’s Oldest Crust Is Disintegrating
Cratons are believed to be the longest-lived regions of the Earth, but a new study shows how dynamic processes can cause ...
1 天
on MSN
Once-in-a-lifetime comet is streaking by Earth. Can you see it from Boise? Here’s latest
The Tsuchinshan-ATLAS comet was first discovered by observers at China’s Tsuchinshan Observatory and an ATLAS telescope in ...
2 天
on MSN
En route to an asteroid, spacecraft snaps ghostly views of Earth
The first view below, taken by Hera's Asteroid Framing Camera, shows Earth's dominant white clouds over the sunlit Pacific ...
2 天
on MSN
SpaceX deploys another batch of Starlink satellites into low-Earth orbit
A SpaceX Falcon 9 rocket launches 23 Starlink satellites from Launch Complex 40 at the Cape Canaveral Space Force Station, ...
1 天
Earth's climate defences failing
Scientists have found problems with the Earth's natural defences against climate change. SUBTITLES Find full subtitles for ...
7 小时
on MSN
‘Alien: Earth’ Star Adarsh Gourav Teases ‘Very Exciting’ Sci-Fi Horror Series and ...
The White Tiger' star Adarsh Gourav is set to appear in 'Alien: Earth,' the upcoming FX series based on Ridley Scott's ...
1 天
on MSN
Easter Island's volcanic history suggests Earth's mantle behaves quite differently than ...
Geography textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those ...
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