000			005950000a22001690004500
020			_a1565855671
100			_aFilippenko, Alexei V.
245			_aUnderstanding the universe, an introduction to astronomy.
260			_aSpringfield, Va. _bTeaching Co. _c7/9/2007
300			_a1 videodisc
500			_aLecture 37. Echoes of the big bang -- Lecture 38. In the beginning -- Lecture 39. The ultimate free lunch? -- Lecture 40. A universe of universes.
520			_aDVD 10
650			_aAstronomy.
650			_aCosmology.
650			_aSolar system.
852			_o520 FIL
999			_c28546 _d28546