In order to determine the mass of a planet by applying Newton's ...

[ishan]

In order to determine the mass of a planet by applying Newton's laws of motion and gravity, the planet must have:
 
  A) rings.
  B) moons.
  C) a solid surface.
  D) a known size and distance from Earth.
  E) planets further from the Sun than itself.

Question 2

The outward pressure of hot gas in the Sun:
 
  A) is balanced by the inward gravitational pressure.
  B) is increasing the Sun's diameter.
  C) is cooling the photosphere.
  D) is responsible for variations in the sunspot cycle.
  E) weakens the magnetic field.

[kaykay69]

Answer to Question 1

B

Answer to Question 2

A

[ishan]

Both answers were spot on, thank you once again

[kaykay69]

Great! Please up vote