Wallace H. Tucker is the science spokesperson for the Smithsonian Astrophysical Observatory's Chandra X-Ray Center. He is the author of numerous papers and seven books, including Revealing the Universe.
~~tag-text~~
On July 23, 1999, the Chandra X-Ray Observatory, the most powerful X-ray telescope ever built, was launched aboard the space shuttle Columbia. Since then, Chandra has given us a view of the universe that is largely hidden from telescopes sensitive only to... SEE MORE