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science1997

science

QuestionAnswer
astronomical unit the average distance from earth to sun
axis of rotation an imaginary line through the center of a planet around which planet
ellipse an oval
period of revolution the time it takes to move a round the sun
period of rotation the time it takes to rotate on its axis
eclipse a total or partial obscuring of one celtestial body by another
lunar phase different appearance of the moon as it orbits the earth
satellite an object that revolves around a planet
inner planets 4 costest planets to the earth
outer planets 4 outer planets form mars
astroid a rocky object smaller than a planet
comet a small icy rock that has a big orbit
metorid rock paseing through atmosphere
Created by: 200703340
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