You are on a deep space mission to search for Earth-like planets. Your crew locates a possible planet and with scanners find the radius to be 7. 5 x 10⁶ m. A team lands on the surface. There, they hang a 1. 0 kg mass from a spring scale. It reads 8. 5 N. a) Determine the mass of the planet using Newton's Law of Universal Gravitation.
a) 4. 5 x 10²⁴ kg
b) 3. 5 x 10²³ kg
c) 6. 0 x 10²⁵ kg
d) 9. 5 x 10²² kg