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« '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.

Physicists observationally confirm Hawking's black hole theorem for the first time »