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21 小时
on MSN
Niagara fireball event leads to discovery of tiniest known asteroid
In an international study led by Western University and Lowell Observatory, scientists describe a pioneering, integrative ...
14 小时
Scientists discover smallest known 16-inch asteroid after Niagara fireball event
Astronomers have identified asteroid 2022 WJ1 as the smallest asteroid ever characterized, measuring just 16 to 27 inches in ...
studyfinds
1 小时
New space mission may intercept giant asteroid Apophis before its close call with Earth
The Ramses mission will rendezvous with Apophis in February 2029, two months before its closest approach to Earth on Friday, ...
CTV News
18 小时
Western researchers document the sixth ever asteroid spotted prior to impact
Researchers at Western University that documented a 2022 fireball over southwestern Ontario have made history as having ...
Cowboy State Daily
14 小时
Earth Has A Second Moon For A Few More Days
A 36-foot-wide asteroid pulled into Earth’s orbit has become a second "mini-moon" for almost two months. But this ...
Space on MSN
20 小时
Earth's 'second moon' is just visiting its cosmic parents for Thanksgiving
The asteroid 2024 PT5 will leave Earth on Nov. 25 after visiting, but new analysis shows this temporary "second moon" may ...
1 小时
How Ancient Collisions Explain Current Planetary Orbits
The migration of Jupiter, Saturn, Uranus, and Neptune from closer to wider orbits around the sun occurred 60-100 million ...
Space on MSN
19 小时
Precise new moon map could help guide future sample-return missions
"The moon is sort of like Earth's attic in terms of preserving the impact records; it's the only place where we can get Earth ...
5 小时
GTA 6 fans disappointed by Rockstar’s latest announcement, hoping for major reveal this ...
GTA 6 fans were left disappointed after Rockstar's recent announcement, which many thought would bring new game details but ...
来自MSN
11 小时
32 things on Mars that look like they shouldn't be there
Perhaps it is the remnant of a meteor that collided with the Red Planet, or maybe it is a piece of Martian bedrock that was flung far across the world during an impact event. Most of the holes are ...
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