Recent content by TreeLover

  1. TreeLover

    B An exercise related to the mass of the Milky Way, sort of.

    So, in preparation to the Portuguese Astronomy Olympiads, I've stumbled upon this problem (exercise): The sun, which is 8 kpc away from the centre of the Milky Way, has a rotation speed of approximately 220 kms-1 . Whereas a a star that is 15 kpc from the centre of the Galaxy orbits at a speed...
  2. TreeLover

    Can Astronomy and Physics Help Me Improve My Problem Solving Skills?

    I'm joining this Forum(s?) to get some astronomy questions answered. I'm also looking to improve my physics knowledge and problem solving capabilities, and this might be of help.
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