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Ch.3.4 Planet Motion
Solar System
| Question | Answer |
|---|---|
| What can be used to determine a planet's distance from the sun? | period of revolution |
| How long does Earth take to orbit once around the sun? | 1 year |
| How long does Earth take to rotate once on its axis? | 1 day |
| What direction does Earth rotate? | counterclockwise |
| One complete trip along an orbit | revolution |
| the path of a body that travels around another body in space | orbit |
| the amount of time it takes a body to complete a trip along an orbit | period of revolution |
| the spin of a cody on its axis | rotation |
| Why the Earth has seasons | tilt of axis |