The faster than expected orbital speed of stars in a galaxy is a problematic issue for astronomers. To explain the phenomenon, Dark Matter is proposed to make up for the missing mass. It would also be possible for dark matter to exist in a galactic formation without any stars; a galaxy containing only Dark
Matter and Hydrogen gas.
Such a galaxy may have been found:
http://news.bbc.co.uk/1/hi/wales/south_east/4288633.stm
Matter and Hydrogen gas.
Such a galaxy may have been found:
http://news.bbc.co.uk/1/hi/wales/south_east/4288633.stm
