An international team has identified a very large atomic gas structure which spans nearly 2 million light-years in a region around a famous quintet of galaxies. The team used the Five-hundred-meter Aperture Spherical Telescope (FAST) 19-beam receiver to unveil the atomic gas around Stephan’s Quintet.

Stephan’s Quintet is perhaps most famous

Source: Hot Hardware – Astronomers Spot The Largest Gas Cloud Ever Seen In Space And It’s Nowhere Near Uranus