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Questions on astronomical objects orbiting a star massive enough to be rounded, not massive enough to cause fusion, and which have cleared its orbit of planetesimals.

4 votes

Have we observed other habitable planets like Earth?

Yes and no. But mostly no. While it is true we have found other planets with atmospheres, experts at NASA (or if you're in Europe, ESA, Japan JAXA, et cetera et cetera) will all tell you that an atmos …
Deko Revinio's user avatar
1 vote

Are the 2 planets in this image Venus and Saturn? And is this a fireball shooting star in to...

Yes, (as other answers have already stated) those are Venus, Saturn, and the Moon. To address that proposed fireball; it could be anything. It could be an old satellite of some kind reentering the atm …
Deko Revinio's user avatar