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Details Title: exam1-2 Description: exam Total Flash Cards: 17 Created: 09/17/2006 19:07:28	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term most meteorites are composed of? Definition rock Term most of the natural elements are created during the cosmic event called ? Definition supernova Term the first scientist to view the heavens from a telescope was? Definition Galileo Term the planet with the higest surface temp. is? Definition venus Term the asteroids orbit between the orbits of? Definition Mars and Jupiter Term heliopause Definition outermost reaches of the solar system Term nebula Definition interstella dust cllouds Term comets are composed largely of. Definition water ice Term the major difference between meteorides and meteorites are? Definition location Term the major greenhouse gas on both earth and venus is? Definition carbon dioxide Term the fuel for main sequence stars is? Definition hydrogen Term the big bang occurred how long ago? Definition 15 billion years Term what is the big crunch? Definition the possible death of galaxy's, goes back to where it started. Term how far away is the moon from the earth? Definition 238,000 miles Term how far away is pluto from earth? Definition 5 or 6 billion miles Term how far away is the closets start to us? Definition 4 light years away Term the galaxy next to ours is? Definition Andrameda