Small deviations in a planet's orbital motion: A) show we ...

[vicotolentino]

Small deviations in a planet's orbital motion:
 
  A) show we don't fully understand gravitational forces yet.
  B) indicate the presence of an extensive atmosphere.
  C) indicate the presence of a powerful magnetic field.
  D) imply the nearby presence of a massive body.
  E) show the planet's orbit isn't stable.

Question 2

The Schwartzschild radius for a 12 solar mass star is:
 
  A) 4 km.
  B) 15 km.
  C) 36 km.
  D) 100 km.
  E) 3000 km.

[kalskdjl1212]

Answer to Question 1

D

Answer to Question 2

C