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Cubangbang Ch.5
Ch.5 Study stack
Question | Answer |
---|---|
PLanets | To Wander to rotate in a circular motion. |
Perihelion | When a planet is closest to the sun. |
Aphelion | When the planet is farthest from the sun. |
Albedo | Reflective ablility indicated by the planets albedo. |
Mass | Is a measure of the amount of matter the planet contains. |
Weight | Mass is relative to weight but is not the same thing. For example, an object in interstellar space is weightless, but it still has mass. |
Surface Gravity | The Downward pull the planet exerts on objects at its surface. |
Retrograde motion | As the earth passes superior planet, the surperior planet appears to move backward compared to the background stars. This is called retrograde motion. |