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Definitions and essential information about the solar system, its planets, their compositions, and characteristics. Topics include the solar nebula theory, planetesimals, terrestrial and jovian planets, moons, asteroids, comets, meteoroids, and types of meteorites. Learn about the formation of the solar system, the composition of planets, and the unique features of each planet and moon.
Typology: Quizzes
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sun planets asteroids comets meteoroids TERM 2
DEFINITION 2 decrease with distance from sun TERM 3
DEFINITION 3 solar sytem formed a solar nebula which is composed of gases and dustform about 5 B yrs ago TERM 4
DEFINITION 4 during nebular formation:iron and nickel --> sand toward centersilicate mineral, oxygen and hydrogen --> toward the surface TERM 5
DEFINITION 5 collisionsaccretion: pieces of ice and dust clumped together --
continue collision lead to protoplanets
mercury venus earth mars TERM 7
DEFINITION 7 high surface gravitiesretained most atmospheric gases TERM 8
DEFINITION 8 Jupiter saturn neptune uranus
DEFINITION 9 earth like planets small, dense and rocky have atmosphere with varying compositions low escape velocities TERM 10
DEFINITION 10 large, low density and gaseous thick atmosphere composed of hydrogen, helium, methane, and ammonia high escape velocities
inner most planet smallest thinest atmosphere cratered highlands vas, smooth terrains very dense slow rotation hot surface temperature TERM 17
DEFINITION 17 similar to earth in: size, density, orbit, and retrograde motion thick atmosphere (97% carbon dioxide hot surface temperature Surface mapped by radar 80% surface covered by volcanic flows low density of impact craters TERM 18
DEFINITION 18 Atmosphere (1% dense as earth's) mostly CO cold polar temperature extensive dust storm Surface similar to earth numerous large volcanoes: largest: Olympus Mons Less abundant impact craters tectonically dead Several canyons: Valles Marineris is the largest stream drainage patterns no surface water liquid water intermittently flows TERM 19
DEFINITION 19 1997, landed 2004 TERM 20
DEFINITION 20 Largest planetRapid rotation (10 hours)Has faint rings multicuolored appearance Great Red Spot counterclockwise rotating storm in the south Structure ocean of liquid metallic hydrogen surrounds the core Has 63 moons
Callisto (outermost) Europa (ice covered) Ganymede (magnetic field) Io (innermost, volcanic active) TERM 22
DEFINITION 22 Similar (atmosphere, composition, and internal structure) to Jupitermultiple stormssaturn ring are its characteristic feature composed of moonlets 61 moons, 53 named Titan: largest; have atmosphere TERM 23
DEFINITION 23 Neptune's twinrotates "on its side"similar rings to other jovian planets (10 sets of ring)Its five largest moon have varied terrains --> largest: Miranda (innermost) TERM 24
DEFINITION 24 Atmosphere similar to other Jovian planet- highest wind speeds in the solar systemGreat dark spot shorter life span than the great red spot 13 known moonsTriton (largest) orbit opposite lowest surface temperature atmosphere: nitrogen and little methane TERM 25
DEFINITION 25 located mainly between Mars and Jupiterssmall bodies