If the Sun was replaced by a black hole of equal mass, Earth ...

[shofmannx20]

If the Sun was replaced by a black hole of equal mass, Earth would _____.
 
  a. fall into the black hole on a virtually straight path
 b. spiral in to the black hole over several months
 c. spiral in to the black hole over the course of several decades
  d. continue in its normal orbit
 e. spiral away from the black hole, pushed by gravitational waves

Question 2

According to Kepler's third law, calculate the orbital period of a planet approximately 6.0 AU away from the Sun.
 
  a. 6 years
 b. 15 years
 c. 30 years
 d. 36 years
 e. 214 years

[fromAlphatoOmega22]

Answer to Question 1

d

Answer to Question 2

b

[shofmannx20]

TYSM

[nathang24]

Gracias!