Mysterious Galactic Glow and Dark Matter
A faint but powerful glow of gamma rays from the center of the Milky Way galaxy has puzzled astronomers for decades.
Researchers from Johns Hopkins University believe this strange light could be the first real clue to uncovering one of the universe's greatest mysteries: dark matter.
dark matter, the invisible substance thought to make up most of the cosmos.
Astronomers have been searching for a sign of dark matter, and this glow may be the key to understanding it.
Author's summary: Galactic glow may reveal dark matter.