All Questions
3
questions
2
votes
1
answer
119
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Is an earth-sized moon orbiting a super-earth feasible?
Is an earth-sized moon orbiting a super-earth feasible?
Or would tidal forces say 'no thanks'?
I'm making a system for the Kerbal Space Program Kopernicus mod and am trying to make it as realistic as ...
2
votes
0
answers
81
views
Are stagnant-lid Earth analogues guaranteed to become Venus-like?
In our current understanding of Venus, two things are generally accepted:
Venus reached its thermal tipping point at least 700 Ma. As the Sun's luminosity gradually increased with age, its average ...
14
votes
3
answers
5k
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Are there any planets or moons denser than Earth?
Earth has the highest density out of all planets, planetoids and moons of our planetary system, and also has a higher density than the Sun. Do we know any exoplanets or moons denser than Earth?