Space News Archive - June 08, 2007
Picture the Milky Way galaxy-a disk of stars and gas, a stellar spheroid and an enormous halo of dark matter. It spirals around a black hole that is supermassive-about three million solar masses. The Milky Way's total mass is about 100 billion solar masses-enormous to us but average among galaxies.
A patched-up Atlantis blasted off with seven astronauts Friday on the first space shuttle flight of 2007, putting NASA back on track after a run of bad luck and scandal that included a damaging hailstorm and a lurid love triangle.