Oldest Recorded Supernova: Last Remnants of Chinese ‘Guest Star’ of 185 A.D.
A truly cool image, combined from data from four different space telescopes, shows all that remains of the…
Tag: Away Out There
‘Cry’ of a Shredded Star Heralds a New Era for Testing Relativity
‘This gives us an opportunity to explore the nature of black holes and test Einstein’s relativity at a…