Famous supernova reveals clues about crucial cosmic distance markers
Famous supernova reveals clues about crucial cosmic distance markers, Aerotech News and Review, March 20, 2013. A new study using data from NASA’s Chandra X-ray Observatory points to the origin of a famous supernova. This supernova, discovered in 1604 by Johannes Kepler, belongs to an important class of objects that are used to measure the rate of expansion of the universe. Mary Burkey and Stephen Reynolds, physics, featured.
