New answers tagged exoplanet
23
votes
Accepted
Could it be possible to detect planets from stars that went supernova through the resulting nebula shape?
The escape speed of a big planet like Jupiter is about 60 km/s.
The speed of the ejecta from a supernova explosion is something like $10^4$ km/s.
i.e. Jupiter would have little discernable ...
- 132k
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Why there are no terrestrial planets with a subsurface ocean?
We may regard Earth's ocean as a subsurface ocean that has melted through. Temperatures on Earth's surface are too warm to maintain the global ice covering which, on the outer-planet moons, renders ...
- 393
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What phases of a moon orbiting Proxima Centauri b could be seen?
The moon of Proxima Centauri b would appear to go through a full cycle of phases as seen from the parts of the surface of Proxima Centauri b where it was visible.
And the moon of Proxima Centauri b ...
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Goldilocks Zone Temperature Range for Habitation
Surface temperatures suitable for liquid surface water for at least part of the year are generally considered necessary for a planet to be considered habitable for liquid water using lifeforms.
At ...
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4
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Seeing exoplanets with glare
What you propose is not impossible, but I think impractical. The levels of contrast required might be 1 part in a billion ($10^9$) or more.
In your method, how would you account for non-axisymmetric ...
- 132k
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