A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls. Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these ...
caused by a galaxy slamming into four of its neighbors while traveling at 2 million mph (3.2 million km/h). The cosmos-rattling event occurred in Stephan's Quintet, when one of the system's five ...
The scientists behind this discovery say these factors make this dwarf galaxy grouping particularly intriguing. The arrangement may be as challenging as it is beautiful, potentially posing a ...