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Unformatted text preview: -stars are born/made in giant clouds of vapour called stellar nurseries -the asteroid belt separates the inner and outer solar system Jupiter: gas giant, solid hydrogen interior, a failed star, protector of earth and the inner solar system – its Galilean moons may have underwater oceans Pluto: recently agreed that it’s a planetoid not a planet, so there are now 8 planets in the solar system Planet: a celestial body in orbit around the sun w/sufficient mass to be nearly round & to have “cleared the neighbourhood” around its orbit -dwarf planet – fulfils first two, small solar system body(SSSB) fulfils only 1 st-8 planets & 3 dwarf Order: universe – galaxy – star & solar systems-there are other solar system s New methods of info: Bigger telescopes, new imaging info Spacecraft have given higher quality images & surface material Theory – a self-consistent description of a phenomena or set of phenomena that satisfies all observational tests of its predictions...
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This note was uploaded on 03/31/2008 for the course E&S Sci 9 taught by Professor Kivelson during the Spring '08 term at UCLA.
- Spring '08