NASA celebrates America’s 250th birthday with red, white and blue snaps of the cosmos — Space photo of the week
Four Chandra X-ray Observatory images showing (from top left to bottom right) a supernova remnant, a nebula, a galaxy cluster, and a spiral galaxy. (Image credit: X-ray: NASA/CXC/SAO; Optical: Brian Brennan and Remi Lacasse; Optical/IR/UV: NASA/ESA/CSA/STScI/AURA; IR: NASA/ESA/CSA/STScI; Optical and dark matter: NASA/ESA/M.J. Jee; Image processing: NASA/CXC/SAO/L. Frattare and K. Arcand) quick facts What itContinue Reading










