Skip to main content

Famous supernova reveals clues about crucial cosmic distance markers

Famous supernova reveals clues about crucial cosmic distance markersAstronomy, March 19, 2013. Astronomers have used a long Chandra observation of the remnant of Kepler’s supernova to deduce that the supernova was triggered by an interaction between a white dwarf and a red giant star. Mary Burkey, physics, featured.