Solar sublimation (1)

1 Name: Anonymous Scientist : 2007-10-07 01:44 ID:GOce80Hs

"The best way to divert an asteroid from a potentially catastrophic collision course with Earth is to deploy a "swarm" of mirror-bearing satellites to focus a beam of sunlight onto its surface, scientists say."

"They concluded the easiest and safest approach was "solar sublimation" – concentrating sunlight so that rock on the surface material turns to gas, creating a rocket-like thrust capable of nudging the asteroid onto a new orbit."

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