00347    a2200121   4500020001500000082001500015100002300030245003700053260003800090300001700128650003600145650004400181  a0500300232  a523.1bMAU  aHaury, Jean Pierre  aNewtonbunderstanding the cosmos  aNew YorkbThames and hudsong1992  a144p.c18cm.  aThe universe, galaxies, quasars  aSpecific celestial bodies and phenomena