Difference between revisions of "Category:Planetary Defense"
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(New page: Solar sails may be used to alter the course of large objects like comets and asteroids that are discovered to be on a collision course with Earth. Category:Applications) |
Latest revision as of 11:18, 12 December 2007
Solar sails may be used to alter the course of large objects like comets and asteroids that are discovered to be on a collision course with Earth.
Pages in category "Planetary Defense"
The following 2 pages are in this category, out of 2 total.
