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For questions related to planets, moons, stars and other celestial objects, and their motion on the sky.

4 votes

Is it possible for an asteroid belt to form around a sun?

The thing you are talking about here are Vulcanoids. They are theoretically possible but none have yet been discovered. The fact that astronomers continue to look for evidence perhaps give us some i …
smatterer's user avatar
  • 1,969
2 votes

With an extra bright moon hanging above us, would stars still be visible in the night skies?

All else being equal, the brighness intesity is proportional to the albedo ($\alpha$) and the square of the radius ($r$) and inversersely proportional to the distance ($d$). The intensity ratio of To …
smatterer's user avatar
  • 1,969