For decades, astronomers have been puzzled by a faint but powerful glow of gamma rays shining from the center of our Milky Way galaxy.
Researchers from Johns Hopkins University believe this strange light could be our 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.
the invisible substance thought to make up most of the cosmos
Astronomers have been trying to understand this phenomenon, and now they think it may be related to dark matter.
Author's summary: Galactic glow may be dark matter clue.