For the first time, researchers used an enormous cluster of galaxies as a huge magnifying lens to detect a tiny, star-forming dwarf galaxy. (Photo Credit: Felice Frankel and Christine Daniloff / MIT) Astronomers recently used a giant cluster of galaxies as an X-ray magnifying lens to spot a tiny, star-forming dwarf galaxy for the first time. The team, which was able to “peer back in […] The post Astronomers Use Massive Galaxy Cluster to ‘Peer Back in Time’ appeared first on Geek.com. Read more