Astronomy Flashcards
1
Q
Gravitational field strength is…
A
Different on other planets and the moon from that on earth
2
Q
V
A
2(pi)r/T
3
Q
W
A
m*g
4
Q
What causes orbits?
A
Gravitational force
5
Q
What is the solar system part of?
A
The Milky Way Galaxy
6
Q
What is a galaxy?
A
A large collection of billions of stars
7
Q
What is the universe?
A
A large collection of billions of galaxies
8
Q
What are comets?
A
Large pieces of ice that orbit the sun elliptically
9
Q
What type of orbit do planets and moons have?
A
Circular
