Mysterious Galactic Glow and Dark Matter
Astronomers have long been puzzled by a faint but powerful glow of gamma rays at the center of the Milky Way galaxy.
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.
the invisible substance thought to make up most of the cosmos
This discovery may be a significant step towards understanding dark matter.
Author's summary: Astronomers find clue to dark matter in galactic glow.