Answer:

Explanation:
The Coulomb's law states that the magnitude of the electrostatic force between two charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them:

In this case, we have
:

Please provide the choices to select the possible choices.
red hot is hot, but other colours are even hotter. stars may be hotter than red hot.
there is also something calle the red shift.