Astronomy Flashcards
1
Q
Why does an object weigh less on the moon than it does on earth
A
- mass of moon is les than mass of earth
* gravitational field strength is less on moon (6 times stronger on earth)
2
Q
Describe the orbit of a comet around the sun
A
- ellipse with sub at one focus
- period of more than one earth year
- from far side of solar system
