Astronomers discover record-breaking star as small as the moon but with more mass than the sun

'Lonely cloud' bigger than Milky Way found in a galaxy 'no-man's land'. The so-called orphan or lonely cloud is full of hot gas with temperatures of 10,000-10,000,000 degrees Kelvin (K) and a total mass 10 billion times the mass of the sun. That makes it larger than the mass of small galaxies.

Public Names NASA’s “Moonikin” Flying on Artemis I Moon Mission – What Could Go Wrong?

A Smoldering Stellar Corpse on the Edge: Astronomers Spot a White Dwarf So Massive It Might Collapse