These clouds of radio energy are "radio relics" resulting from powerful shockwaves surging through the hot gas that fills the space amid a galaxy cluster. Astronomers have spotted a pair of exotic ...
Astronomers have spotted a pair of exotic features believed to be the aftermath of a colossal cosmic smackdown — not between two galaxies, but two groups of galaxies. These glowing arcs of radio ...
These clouds of radio energy are "radio relics" resulting from powerful shockwaves surging through the hot gas that fills the space amid a galaxy cluster. Credit ...