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Questions tagged [astronomy]

For challenges about objects and processes or physics and chemistry of such kind that originate outside the atmosphere of Earth.

20
votes
9answers
857 views

How far is the Sun?

Introduction tl;dr Continuously output the current distance from the Earth to the Sun. Simplified, the orbit of the Earth around the Sun is an ellipse. So the actual distance between both is ...
10
votes
1answer
738 views

Calculate the Lunar Phase

Introduction tl;dr In this challenge you have to calculate the moon's phase for a given date. This challenge is inspired by the game psycho social audiovisual experiment "Superbrothers: Sword & ...