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Dark Matter and Energy
Transcript of Dark Matter and Energy
Modified Newtonian Dynamics The Big Mystery What is the Universe made of? Dark Matter Dark Energy "Normal" Matter ? % ? % ? % Galactic Rotation Curves B: Observed behavior A: Expected Behavior Coma Cluster Fritz Zwicky 1933 400 TIMES! Andromeda Inner arms Outer arms http://www.nytimes.com/2011/04/14/science/space/14dark.html?_r=0
http://www.youtube.com/watch?v=JZIUbZw3i78http://www.youtube.com/watch?v=JZIUbZw3i78 v^2=GM/r A flat curve suggests that mass must increase linearly with radius 2.725 degrees K WIMP Weakly Interacting Massive Particle Non-Baryonic, Cold Dark Matter The Hunt for WIMPS WIMP DETECTION CDMS AMS XENON Alpha Magnetic Spectrometer Where: ISS Liquid Noble Detector Sources Where: Gran Sasso, Italy Cryogenic Dark Matter Search Where: Soudan Mine, Minnesota Understand Dark Energy