Dark matter is the most mysterious and prolific substance known to humans, accounting for a major portion of all matter in the universe. Scroll down for videoA previously discovered dark matter-less galaxy caused a wave throughout the astronomical community after being announced last year. 'We thought that every galaxy had dark matter and that dark matter is how a galaxy begins,' said Pieter van Dokkum of Yale University in a statement regarding the discovery last year. Dark matter, scientists hypothesize, accounts for the fact that objects on the outer rim of the galaxy move faster than the mass of normal matter dictates. 'Ironically, the lack of dark matter in these UDGs strengthens the dark matter theory.

Source: Daily Mail April 01, 2019 22:07 UTC