The earth does not emit light, but it does reflect light from the sun.
The photosphere emits the visible light from the sun.
Like the planets, comets emit no visible light of their own-they shine by reflected (or reemitted) sunlight.
Yes galaxies emit light
the moon is not a planet. The moon is a natural satelite that orbits the earth. It has no light but it will emit the sun's light at night.
The Earth does not emit light, it like the moon reflects light
The earth does not emit light, but it does reflect light from the sun.
The Earth does not emit light, it like the moon reflects light
Because it doesn't emit light.
Moonlight is almost entirely reflected sunlight, with very small amounts of reflected starlight and earthlight as well. As such, it radiates at the same continuous spectrum as the sun, though it won't have the bright emission lines that the sun emits.
Stars emit light that travels to the Earth.
The moon does not emit light, rather it reflects it. The light from the sun shines on the moon, and it is reflected to earth.
The photosphere emits the visible light from the sun.
The moon does not emit it's own light. It reflects light from the sun down to the Earth.
Like the planets, comets emit no visible light of their own-they shine by reflected (or reemitted) sunlight.
Light bulbs emit light.
Technetium doesn't emit light.