http://facebook.com/SpaceFan Very exciting day today at the Space Telescope Science institute! http://www.nobelprize.org/nobel_prizes/physics/laureates/2011/ http://arxiv.org/abs/astro-ph/9805200 What are Type Ia Supernovae? http://chandra.harvard.edu/xray_sources/supernovas.html http://newscenter.berkeley.edu/2011/10/04/survey-gives-clues-to-origin-of-type-ia-supernovae/ Supernovae pictures: http://www.nasa.gov/mission_pages/hubble/news/hubble-nobel.html