00575nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001600084100001700100245010000117260003200217300001500249650001400264650002500278700001900303700001700322700001600339700001400355IN-BaIIA211028s9999    xx            000 0 eng d  a0-393-97400-6  cIIA Library  a52"20"bHES  aHester, Jeff 0a21st century astronomycJeff Hester…[et al.]                                                   aNew YorkbW. W Nortonc2002  axix, 540p.  aAstronomy  aTwenty first century  aBlumenthal, G.  aBurstein, D.  aGreeley, R.  aSmith, B.