A. 3x larger
B. 9x larger
C. sqrt(3) times larger
D. sqrt(9) times larger
E. sqrt(27) times larger
2. If you were to double the mass of the sun, the period of the Earth's orbit would become
A. 2x smaller
B. sqrt(2) times smaller
C. 4x smaller
D. sqrt(8) times smaller
E. sqrt(9) times smaller
3. If there sun were to turn into a black hole, with the same mass but much smaller radius, what would happen to the orbit of the earth?
A. Nothing
B. It would become much smaller
C. It woudl become much larger
D. It would fly off into space
E. It would go orbit Jupiter instead