Photosynthesis stops. If it stops long enough, the plant dies.
When the sun's rays are blocked by a thick forest clouds or smoke from a large fire what effect do you think there will be on photosynthesis?
If a plant doesn't have light, photosynthesis can't happen.
Photosynthesis usually uses sunlight (although artificial light also works) to drive the chemical synthesis. Therefore blocking out the light would stop that process.
It would all die - except for the hot spots in the ocean deeps.
Life would be severely limited by the lack of energy. There would still be a small amount of energy from Earth's interior.
Life on earth would end. The sun provides the energy for all vegetation which is the basis for most food chains.
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If that will happen life on earth would be wiped out. Most ultraviolet light heading for earth would be blocked by the ozone layer.
lunar eclispse
That is called a lunar eclipse.
lunar eclispse
47% heavy.
Sunlight that hits the Earth's surface is absorbed by the Earth. It is then reflected back.
Sunlight is constantly touching the earth's surface. It never stops. (we hope)
If that will happen life on earth would be wiped out. Most ultraviolet light heading for earth would be blocked by the ozone layer.
On average the earth reflects about 30% of the incident sunlight.
lunar eclispse
Water.
That is called a lunar eclipse.
It is sunlight reflected from the moon's surface onto the earth.
The angle at which the sunlight strikes the Earth
lunar eclispse
Just like all others ever since, it happened on the surface of the moon, where the sun became invisible for a few hours when the earth blocked it from view.
Since the moon does not have an atmosphere, the sunlight that reaches the surface of the moon is more intense than the sunlight that reaches the surface of the Earth after passing through the Earth's atmosphere.