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Originally Posted by !@#$%!
still, the closest star is 4 light-years away. don't know anything that travels at light speed except for radiation. a comet (if it could go between solar systems) is what, 1km/sec when it's farthest from the sun, so it could go what, 1.2 million years to go from here to alpha centauri... but even if that tardigrade survived, it wouldn't leave the solar system. d |
You're thinking in human time, you have to get past even geological time. We're talking about billions and billions of years. Cosmic time. And who knows what kind of rules actually apply outside the gravity wells.