Astrophysics Flashcards
1
Q
Define gravitational field strength (g in N.kg^-1)
A
The gravitational force acting on a unit mass
2
Q
Conversion of AU to m
A
7 x 10^-12 AU = 1m
3
Q
Conversion of m to ly
A
1 ly = 60 x 60 x 24 x 365.25 x 3x10^8 m
4
Q
Define gravitational field strength
A