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science test 12/20

solar system

QuestionAnswer
what is inertia? newton's 1st Law of motion- an object in motion will stay in motion , an object in rest will stay at rest unless a force or object acts on it
what does inertia have to do with the solar system? the planets will keep moving around the sun unless something stops them
what is gravity? attraction force between all objects with mass
what does gravity have to do with the solar system? the gravitational and diameter pull of the planets towards the sun
what is the distance of one astronomical unit (AU)? 150,000,000 kilometers
why astronomical units used to measure distances in the solar system? tried to come up with a larger distance unit than kilometers
comet
dwarf planet
moon
astroid
meteor
meteoroid
meteorite
whats the difference between period of rotation and the revolution of the planets?
inner planets
outer planets
Created by: rlr14
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