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1 小时
New research shows most space rocks crashing into Earth come from a single source
Two new studies show that the majority of meteorites originate from just one family of asteroids between Mars and Jupiter.
1 小时
Scientists Discover Surprising Origin of Most Meteorites that Strike Earth
Until now, only 6% of meteorites had a known source, but now we can trace the origin of more than 70% of these rocks.
2 小时
on MSN
Will Nasa use a nuclear bomb to blow up an asteroid and save Earth from extinction? Here's ...
NASA has created a contingency plan to protect Earth from large asteroids, which includes the use of nuclear explosions as a ...
2 小时
‘Once-in-a-lifetime' comet, super supermoon shine over Philly. How to see them
A rare double feature over the Philadelphia region on Oct. 16 to Oct. 17, 2024, as Comet Tsuchinshan-ATLAS dazzles in the ...
Astronomy
3 小时
Most meteorites come from just three sources
Our planet’s surface is littered with debris from the skies — and researchers have found that most come from only a few ...
Science News
5 小时
Robin George Andrews
Robin George Andrews specializes in covering Earth, space and planetary sciences. He has a Ph.D. in volcanology and is the author of two nonfiction books, Super Volcanoes and How to Kill an Asteroid.
Science News
5 小时
The cataclysmic origins of most of Earth’s meteorites have been found
Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.
Daily Express US on MSN
1 天
Spacecraft snaps eerie image of Earth from empty depths of outer space
A spacecraft shot stunning photographs of Earth from nearly one million miles away on its route to a pulverized asteroid. The ...
The Debrief
1 天
Hidden For Eons Beneath the Atlantic Ocean, Scientists Have Made a Smashing Ancient Discovery
New advanced imagery reveals the existence of a second impact following the event associated with the extinction of the ...
Physics World
1 天
‘Mock asteroids’ deflected by X-rays in study that could help us protect Earth
Because the experiment was done here on Earth, rather than in space, the team also had to ensure that the targets were in ...
1 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
Asteroid-Seeking Spacecraft Snaps Poignant Views Of Earth
ESA's Hera spacecraft captured farewell views of Earth and the moon as it sails away into space to investigate the asteroid ...
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