New research seems to indicate a giant gas bubble is circling the Milky Way’s supermassive black hole. Astronomers believe the hot bubble of gas is about the size of the planet Mercury, and makes a full lap around the black hole in just 70 minutes. “This requires a mind-blowing velocity of about 30 percent of the speed of light!” explains Maciek

Source: Hot Hardware – Check Out This Gas Bubble Circling A Supermassive Black Hole At A ‘Mind-Blowing Velocity’