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| stars 2009/01/16 11:40 | stars 2009/02/02 13:13 current | ||
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| * [[Did I see a supernova?]] | * [[Did I see a supernova?]] | ||
| * [[How long does it take for a white dwarf to cool?]] | * [[How long does it take for a white dwarf to cool?]] | ||
| + | * [[How long would it take us to travel to Alpha Centauri?]] | ||
| + | * [[What kind of damage do solar storms cause to satellites?]] | ||
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