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New Scientist12 小时
Asteroid on collision course with moon could fire shrapnel at Earth
Earth is no longer at risk of a direct collision with the asteroid 2024 YR4, but an impact on the moon in 2032 could send ...
Titans Space To Revolutionize US Military Space Capabilities, Golden Dome, And Offer A ...
End Cis-Lunar Transportation System Titans Spaceplane and Titans OrbitalPort Space Station in Low-Earth Orbit Titan ...