If an asteroid really threatened the Earth, what would a planetary defense mission look like?

If an asteroid really threatened the Earth, what would a planetary defense mission look like?
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Someday, tucked away gathering dust in a nondescript warehouse, there will perhaps be a spacecraft waiting to be called to the launch pad, even as its builders pray it never flies.



November 15, 2021 at 03:59PM
via Space.com read more...