Top network posts
- 83 Can two adjacent, life-sustaining planets orbit a star such that they are rarely near each other?
- 23 Why didn't we detect that exoplanet before?
- 22 How critical is it for life that a planet remains within the habitable zone at all times?
- 15 What would the effect be on Earth if Mars disappeared?
- 14 What would the effect be on Earth if Mars disappeared?
- 12 Can 3 planets rotate around each other like this?
- 11 Is my Solar System scientifcally possible?
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