000			00501nam a22001937a 4500
999			_c9884 _d9884
020			_a9780716796732
082			_a520
100			_aCOMINS, Neil F.
245			_aDiscovering the Universe
250			_a6th ed
260			_aNew York : _bW. H.Freeman and Company , _c1990.
300			_axiv , 456 p . : _bill . ; col . picture ; 28 cm.
500			_aincludes index
650			_aAstronomy
650			_aSpace sciences
650			_aCosmology
700			_aWilliam J. Kaufmann
942			_cBK