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My favorite comment there: Aerospace_Cadet wrote: Wouldn't any planet found no matter it's size or location be considered alien?
by itistoday 16y ago
My favorite comment there:
Aerospace_Cadet wrote:
Wouldn't any planet found no matter it's size or location be considered alien?
- petercooper 16y agoNot in one particular instance: if we saw Earth. Current ideas about the shape of the universe don't make this an entirely impossible proposition (just an extremely unlikely one that we'd stumble across our own image from billions of years ago, and I, personally, don't buy it at all). This idea is covered in an episode of Astronomy Cast. I forget which, but most likely http://www.astronomycast.com/astronomy/ep-78-what-is-the-shape-of-the-universe/ http://www.astronomycast.com/astronomy/ep-78-what-is-the-sha...