Source: Chandra X-ray Observatory
Image credits: NASA/CXC/Chinese Academy of Sciences/F. Lu et al
This new image of Tycho's supernova remnant, dubbed Tycho for short, contains striking new evidence for what triggered the original supernova explosion, as seen from Earth in 1572. Tycho was formed by a Type Ia supernova, a category of stellar explosion used in measuring astronomical distances because of their reliable brightness. (read more)
