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zhermes earned this badge 7 times |
may 7 at 8:04
Why does a supernova explode
may 1 at 12:49
Why can't Humans run any faster?
mar 7 at 18:50
Can the solar system really fit in a thimble?
jan 15 at 5:28
Gravity in other dimensions than 3 and stable orbits
nov 22 at 3:09
Is it really a particle?
sep 14 at 15:19
How do we know Dark Matter is non baryonic?
sep 11 at 22:22
Is the escape velocity at Geosynchronous Earth Orbit 0km/hr?