Vitamin D.
No. The sun gives off a full continuous spectrum.
no
Yes
The Moon.
The Sun radiates heat energy.
They both give off light
every second.
the sun
it gives off radiation
it gives off light for 12 hours
No. The moon is a reflection of the sun's light
The moon is a sphere that does not give off light of it's own. Rather, moonlight is caused by the sun's reflection off the moon.