It's the last clearly observed supernova in the Milky Way, Gassel said.
Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...
NASA has captured 25 years of observations from the Chandra X-ray Observatory showing the aftermath of Kepler’s Supernova, a ...
"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...