feb 222013
 
Remnant of Swallowed Galaxy Detected?

    Peering deep into the vast stellar halo that envelops our Milky Way galaxy, astronomers using NASA’s Hubble Space Telescope have uncovered tantalizing evidence for the possible existence of a shell of stars that are a relic of cannibalism by our Milky Way. This illustration shows the disk of our Milky Way galaxy surrounded [continue reading]

aug 082012
 
The Largest-Ever 3-D Map of Galaxies and Black Holes

  New 3-D Map of Massive Galaxies and Distant Black Holes Offers Clues to Dark Matter and Dark Energy   The Sloan Digital Sky Survey III (SDSS-III) has released the largest-ever three-dimensional map of massive galaxies and distant black holes, which will help astronomers explain the mysterious “dark matter” and “dark energy” that scientists know [continue reading]