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by sandworm101
1165 days ago
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On paper, it would be easier to lift them from the moon than it would be to intercept and slow them down enough to land them on earth. When the asteroid hits the moon it expends huge amounts of energy in the impact, slowing it to the a near-stop as compared to its speed while free in space. It may be possible to aerobrake asteroids at orbital velocities in earth's atmosphere, but that is a VERY dangerous proposition. It might work for small rocks, but a commercially-relevant chunk of iron would be a very dangerous object to point at earth. |
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