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That would be on average 1 out of every 10 stars - hard to believe.
by Koshkin 6y ago
That would be on average 1 out of every 10 stars - hard to believe.
- ksherlock 6y agoOur solar system has Earth and Mars. Venus is on the edge of the habitable zone. Had the asteroid belt formed a planet, it would be on the edge as well.