The Restless Universe: Understanding X-ray Astronomy in the Age of Chandra and Newton.While the Hubble Space Telescope Hubble Space Telescope (HST), the first large optical orbiting observatory. Built from 1978 to 1990 at a cost of $1.5 billion, the HST (named for astronomer E. P. Hubble) was expected to provide the clearest view yet obtained of the universe. peers deep into the universe and brings us closer to dimly visible objects, the satellites Chandra and Newton are observing radiation that we cannot see--the X rays that carry information about space objects. X rays bombard bom·bard tr.v. bom·bard·ed, bom·bard·ing, bom·bards 1. To attack with bombs, shells, or missiles. 2. To assail persistently, as with requests. See Synonyms at attack, barrage2. 3. Earth, but our planet's atmosphere shields us from them. If this weren't the case, life probably wouldn't have started here. Schlegel has worked on NASA's Chandra satellite since before its launch 3 years ago. He melds a history of X-ray astronomy with a wide-ranging look at the fruits of Chandra and Europe's Newton. He paints an exhilarating portrait of what astrophysicists An astrophysicist is a person who professionally studies and conducts research in astrophysics. Famous astrophysicists
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