Teacher: Dear students, I’m sorry about that test I made you take - The Answer Sheet. 2012 March 12 - The Scale of the Universe Interactive. Discover the cosmos!
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 March 12 The Scale of the Universe - Interactive Flash Animation Credit & Copyright: Cary & Michael Huang. Einztein - The Social Learning Network.