It depends on the angle of the earth, and our point of view. A full moon would occur if we were to be right in front of it.
See coulomb's law. Force is inversely proportional to the distance squared. So if you multiply r by 2, the force is multiplied by (½)² = ¼.
a. F/4
no question please so what's the problem
The peak output of our sun is between the yellow-green band.