NASA Telescopes Spot Surprisingly Mature Cluster in Early Universe
via science.nasa.gov
Short excerpt below. Read at the original source.
X-ray: NASA/CXC/CfA/Á Bogdán; Infrared: NASA/ESA/CSA/STScI; Image Processing: NASA/CXC/SAO/P. Edmonds and L. Frattare X-ray: NASA/CXC/CfA/Á Bogdán; Infrared: NASA/ESA/CSA/STScI; Image Processing: NASA/CXC/SAO/P. Edmonds and L. Frattare A new discovery captures the cosmic moment when a galaxy cluster – among the largest structures in the universe – started to assemble only about a billion years after the big […]