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Sunday, February 17, 2013

Deflecting Asteroids

Very relevant to recent events, courtesy of Emma S.:

This is an article about a possible way of destroying asteroids that is being developed. Basically it talks about something called the Yarkovsky effect (how thermal radiation can create a force that can change the trajectory of an asteroid), and how painting asteroids (or, rather, spraying them with powder) can alter their course slightly. 

Article at:

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