000 00964cam a22002894i 4500
005 20260115002506.0
008 141024s2007 xxua a 000 eng d
020 _a9780716695523
_c15.00Eg. p
040 _aMPL
_cMPL
_erda
041 0 _aara
082 0 4 _a523.8
_221
084 _a3-10 years
110 2 _aWorld Book, Inc
245 1 0 _aQuasars and black holes
_cWorld Book
264 0 _aChicago, IL
_bWorld Book
_c2010
300 _a64 pages
_bcol. illustrations
_c26 سم
336 _aنص
337 _aبدون وسيط
338 _aكتاب
490 0 _aExplore the universe
500 _aIncludes index
520 _aAn introduction to quasars and black holes with information about their formation and characteristics. Includes diagrams, fun facts, a glossary, a resource list, and an index"--Provided by publisher
590 _aHurg
596 _a5 8
650 1 4 _aBlack holes
_xJuvenile literature
650 1 4 _aQuasars
_xJuvenile literature
999 _c24735
_d24735