Question

why do planets Shine ?

Answer 1

The planets are much closer, inside our solar system. Although the planetsare much smaller than the stars,planets appear to be about the same size as the stars because they are so close to us. Planets don't produce their own light. They reflect the light of the sun in the same way our moon reflects sunlight

Answer 2

The planets are much closer,inside our solar system.Although the planets are much smaller than the stars,planets appear to be about the same size as the stars because they are so close to us.
Planets don't produce their own light.
They reflect the light of the sun in the same way our moon reflects sunlight.