The Hottest Stars

(Starts With A Bang!) – Ethan Siegel:

At their cores, stars can reach many millions or even billions of degrees. But even that doesn’t touch the hottest of them all. …

The highest stellar temperatures are achieved by Wolf-Rayet stars. …

The remnant cores of supernovae can form neutron stars: the hottest objects of all. …

starts-with-a-bang the-hottest-starsPulsar with X-ray nebula, by Chandra