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earth
19 分钟
Two massive asteroids may have killed the dinosaurs, not just one
Scientists have revealed images of a second massive asteroid impact called Nadir Crater buried 300 meters under the ocean ...
14 小时
'Comet of the century' captured in photos across the globe
ATLAS, did not disappoint astronomers as it came within approximately 44 million miles of Earth on Saturday night.
16 小时
Mesmerizing pictures show once-in-a-lifetime comet dart across South Carolina sky
A comet, nicknamed A3, won't fly by Earth for another 80,000 years - but was captured in mesmerizing pictures zooming across ...
23 小时
Controversial Chris Pratt, Jennifer Lawrence Movie Streaming for Free
Chris Pratt’s film career may largely be defined by his work in the Marvel Cinematic Universe, the Jurassic World films, and ...
1 天
on MSN
How Deep Did OSIRIS-REx Spacecraft's Arm 'Plunge' Into Asteroid Bennu?
NASA OSIRIS-REx sample collection event at Asteroid Bennu saw the spacecraft plunge its arm into the surface. Find out how ...
1 天
A rare comet could be visible in the Southern Tier. What to know, when to look
Kopernik Observatory Executive Director Drew Deskur discusses how to view rare comet that will be visible in the Southern ...
Axios
1 天
How to see a once-in-a-lifetime comet Saturday and beyond
Look to the night sky on Saturday for the best chance to see a comet that won't be back for another 80,000 years, according ...
2 天
Space breakthrough as NASA receives laser signal from 290 million miles away
The milestone was reached by teams looking at the possibility of using lasers to send messages deep into space.
The Daily Free Press
2 天
From space rocks to dirty snowballs, Boston astronomers talk current astronomical events ...
The mini-moon is a novel event because until recently, astronomers did not have telescopes advanced enough to see these ...
2 天
How to see October's 'comet of the century' in Michigan before it disappears
Here's what Michigan sky watchers should know about catching this rare marvel as it zooms above Michigan's skies in October.
3 天
Scientists Discover a Second Dinosaur-Killing Asteroid
For decades, the disappearance of dinosaurs has been tied to the Chicxulub asteroid, whose crater lies partly beneath ...
Space.com
3 天
Hopes dim for another bright October comet after Tsuchinshan-ATLAS
In the days following its sweep around the sun, Ikeya-Seki was a spectacular sight in the late October and early November ...
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