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Save Earth From Asteroid

This video showing you the methods to save earth from asteroid attack. First is ablation, in which a great lens is put on spacecraft that concentrate sun's heat on asteroid so that it will vaporize. other is slow push, space craft with great gravitational pull take the asteroid away from earth.

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Channels: Aerospace Engineering

Tags: 3 Ways to Save Earth from an Asteroid

Uploaded by: ( Send Message ) on 07-02-2013. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 4m -0s

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