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7 terms

planets

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Mercury
1st planet in the solar system, no moons, rings, or atmosphere
Venus
2nd planet in the solar system, Active volcanoes, no moons or rings, hottest planet, atmosphere with thick cloud cover, day longer than year, retrograde motion
Mars
4th planet in the solar system, 2 moons no rings,largest volcanoe in solar system, olympus mons
Jupiter
largest planet/5th planet in the solar system great red spot is storm. moons rings 4 largest moons discovered by galelio
Satern
6th planet in the solar system, moons rings
uranus
7th planet in the solar system moons, rings retrograde motion axis tilt 90%
neptune
8th planet in solar system, moons rings