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6 小时
Did Earth’s fleeting mini-moon break off from the actual moon?
PT5, initially believed to be a tiny asteroid, likely originated from the Moon. Discovered in 2024, PT5's reflectance and ...
7 小时
on MSN
NASA Tracking Empire State Building-Sized Asteroid Approaching
The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.
Aviation Week
8 小时
Nuclear Reactor Test Requirements Put DRACO Launch Plans On Hold
A DRACO ground test would need to capture plume exhaust fully to ensure no radioactive materials are released to the ...
Opinion
Defense One
9 小时
Opinion
China’s plan to rule the heavens
The race to return to the Moon and push beyond has entered a new, more intense phase. While Elon Musk and NASA have been ...
stuff.co.za
17 小时
Bezos’ Blue Origin has successfully launched its New Glenn rocket to orbit − a feat 15 ...
Eastern time on Jan. 16, 2025, a new rocket blasted off from the Cape Canaveral Space Force Station in Florida. By ...
Astronomy
18 小时
The Sky This Week from January 17 to 24: A conjunction of Venus and Saturn
Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...
ScienceAlert
22 小时
Earth's Temporary Extra Moon May Have an Unexpected Origin
A tiny asteroid loitering in a near-Earth orbit for a few months last year may have an intriguing origin on our Moon.
1 天
NASA Tracking Washington Monument-Sized Asteroid Nearing Earth
The asteroid, named 2022 CE2, is estimated by NASA 's Jet Propulsion Laboratory to be about 370 feet across, with JPL's ...
1 天
on MSN
Airplane-Size Asteroid 2024 BJ Flies Closer Than The Moon In Orbit Animation
BJ's closest approach to Earth will be about 220,000 miles (354,000 kilometers) way. The space rock is ~68 feet (21 meters) ...
1 天
NASA's stuck astronaut steps out on a spacewalk after 7 months in orbit
In 2011, the 30-year space shuttle program ended as Atlantis touched down at NASA’s Kennedy Space Center. With five shuttles ...
Knowridge
1 天
Why studying asteroids could save our planet
Asteroids are rocky objects left over from the early days of our solar system, orbiting the Sun much like planets. While most ...
1 天
Chunk of Moon Rock? NASA Tracks Asteroid 2024 PT5 During Close Earth Flyby
NASA’s Goldstone Solar System Radar is closely tracking asteroid 2024 PT5 during its nearest approach to Earth, a distance ...
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