Giant hydrogen cloud boomeranging back to Milky Way

Giant hydrogen cloud boomeranging back to Milky Way

A large cloud of hydrogen gas is on a return collision course to the Milky Way galaxy, running towards it with a speed of almost 1 126 540 km/h (700 000 mph) and is expected to hit it in about 30 million years. The new Hubble Space Telescope observations suggest the…