1.10 27meters = 1000 yottameters 100 Billion Light Years This image represents the size of the known universe -- a sphere with a radius of 13.7 billion light years. 2. 10…

Galaxies Our Universe Structure Smallest to largest: PlanetsStars/Solar systemsGalaxiesGalaxy ClustersUniverse Universe contains hundreds of billions of galaxies.…

Angular Separation is not enough! We want to know the answer to the ‘age old question’: How far away are the stars? Ans: A lot farther than anyone imagined! See: “Parallax”…

Galaxies Our Universe Structure Smallest to largest: PlanetsStars/Solar systemsGalaxiesGalaxy ClustersUniverse Universe contains hundreds of billions of galaxies.…

Slide 1 Slide 2 IB PHYSICS ASTROPHYSICS Section E Slide 3 The Universe (A good video to watch) http://www.youtube.com/watch?v=tnhken4_-A0 http://www.youtube.com/watch?v=AUF38eHqdxs…