Contact: Christine Pulliam
Harvard-Smithsonian Center for Astrophysics
Caption: The Tycho supernova remnant is the result of a Type Ia supernova explosion. The explosion was observed by Danish astronomer Tycho Brahe in 1572. More than 400 years later, the ejecta from that explosion has expanded to fill a bubble 55 light-years across. In this image, low-energy X-rays (red) show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave - a shell of extremely energetic electrons.
Credit: X-ray: NASA/CXC/Rutgers/K.Eriksen et al.; Optical: DSS
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Related news release: 1 supernova type, 2 different sources