click below
click below
Normal Size Small Size show me how
Astronomy Science 7
Science 7 Astronomy
Question | Answer |
---|---|
Rotation | to spin in place around an axis |
Revolution | to circulate around an object (synonym = orbit) |
Orbit | to circulate around an object (synonym = revolution) |
Lunar cycle | the cyclic orbit of the moon around Earth lasting approximately 30 days |
Gravity | the force that attracts any object with mass towards each other (the force that keeps the planets in orbit around the sun and the moon around Earth) |
Asteroid | an object in space made of dust and rocks |
Comet | an object in space made of dust, rocks and ice. Most often associated with a “tail” and commonly called a “shooting star” |