Hubble telescope spots 'failed' starless galaxy known as Cloud 9

Astronomers say they have identified a new type of astronomical object that challenges traditional ideas about how galaxies form. Using data from NASA's Hubble Space Telescope, scientists studied a cloud of gas nicknamed Cloud-9. Located near the spiral galaxy Messier 94, about 14 million light-years from Earth, the object contains no stars, making it nearly invisible in optical light. "This is a tale of a failed galaxy," said principal...