3 votes

What would a gas giant, such as Uranus, look like if it were orbiting a sun like star at an Earthlike orbit?

Hot Neptunes are known, beginning with an exoplanet orbiting the star Gliese 436. They may be formed either at greater distances from the star and then migrate inwards (ex-situ) or at close distances ...
Oscar Lanzi's user avatar
  • 1,113
3 votes

Are there areas within Jupiter's magnetosphere without powerful radiation?

Yes. Callisto orbits outside of Jupiter's radiation belts but inside the magnetosphere. As a result, radiation there is lower than in interplanetary space. It is just over 10 times the Earth surface ...
JanKanis's user avatar
  • 571
3 votes

On the Radiation Field of large Gas Giants

I've been interested in exomoons for a while as well, and having read multiple studies (I admit I only fully read about two), I don't recall seeing any mention of Van-Allen belts being an issue. The ...
Kazon's user avatar
  • 587
2 votes

About the formation of ice giants and gas giants

It would not be outrageous to have a gas giant at 15 AU from a Sun-like star. Most of the directly imaged exoplanets are well outside of 15 AU, and these are giant planets (but around various types of ...
giardia's user avatar
  • 2,088
2 votes

Sub brown dwarf cores

The most prevalent idea for the formation of gas giant planets is the "core accretion model". This proposes that the massive gas envelope accumulates around a core of icy or even rocky ...
ProfRob's user avatar
  • 152k
1 vote

Does rotation on their axis cause winds in gaseous planets?

It is not true. What makes wind actually be wind is that it is moving relative to something else. On earth, that something else may be you, but on a gaseous planet the only "something else" ...
Mark Foskey's user avatar
  • 3,916

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