A Journey of Light Through Time and Space - Published on Mar 21, 2013 Follow the "life" of a photon, or particle of light, as it travels across space and time, from the very early universe to the Planck space telescope.
Supernova Remnant W49B - A supernova remnant called W49B 26,000 light-years away may contain the most recent black hole formed in the Milky Way galaxy, new data from NASA’s Chandra X-ray Observatory suggests. The remnant, about a thousand years old as seen from Earth, appears to be the product of a rare explosion in which matter is ejected at high speeds along the poles of a rotating star.
NASA's Spitzer Finds Galaxy With Split Personality. While some galaxies are rotund and others are slender disks like our spiral Milky Way, new observations from NASA's Spitzer Space Telescope show that the Sombrero galaxy is both.
NGC 602 is a bright open cluster of stars located in the SMC, a satellite galaxy to the Milky Way. Radiation & shock waves from the stars have pushed away much of the lighter surrounding gas & dust that compose the nebula known as N90