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I believe you mean the lightest part of Earth's shadow casted upon the moon and the answer to that would be:
The lightest part of Earth's shadow upon the moon is called the penumbra.
In fact any shadow is divided between that totally blocked (umbra) and partially blocked by the light source (penumbra)
so the Penumbra can indeed be the moons partial shadow on the earth during a partial or total solar eclipse
What else can I help you with?
What atom is the lightest and the simplest atom?
hydrogen
What are the highest and lowest part of a wave called?
The highest part of the wave is called the crest. The lowest part of the is called the trough or valley which is between two waves.
What is the male part of the flower called?
The male part of the flower is called the Stamen.
Is helieum a gas?
Not only that, but it's one of lightest, or possibly the lightest, gas in the world. I'm a nerd, so you can trust me.
How can a shadow be reflected?
It is actually impossible to reflect a shadow, as a shadow is merely an absence of light. However, what IS reflected is the light surrounding the shadow. When this light is reflected, it forms a reflected image of the light's shape, complete with a lack of light, or shadow. In this way, it can look like a shadow is reflected.
What is the lightest part of the shadow of an eclipse called?
The Penumbra
The darkest part of the Moon's shadow is what?
the darkest part of the moon's shadow is called the umbra
What is the part of the shadow that surrounds the umbra?
That part of the shadow is called the penumbra.
What is the lighter part of the shadow called?
The penumbra.
The shadow of a sundial is called?
the shadow of the sundial is just called a shadow
What is the darkest part of the shadow during eclipse?
It is called the Umbra, the 'lighter' part of the shadow is the Pen-umbra
What is it called when you have a complete area of shadow?
A complete area of shadow is called an umbra. It is the darkest part of a shadow where no light reaches.
What is the part of a shadow that surrounds the darkest part?
There are two parts of a shadow: the UMBRA and the PENUMBRA. UMBRA is the inner darker part of a shadow. PENUBMRA is the outher lighter layer of a shadow. During a solar eclipse, the area on the planet that witnesses a complete total solar eclipse would be under the moon's shadow's UMBRA. The area that views a partial solar eclipse would be under the PENUMBRAL shadow.
What is it called when it is a complete shadow?
The darkest part of a shadow is called the "umbra" The lighter part of a shadow is called the "penumbra" An "antumbra" is the area of light which surrounds the object creating a shadow, as in a "ring of fire" eclipse (like the recent one in May, 2012). It can best be seen when the viewer is beyond the focal point of the umbra, but in line with it.
Why does the darker part of the shadow called umbra?
"Umbra" is Latin for "shadow". "Penumbra" can be translated as "almost shadow".
What is the central darker part of a shadow called?
Umbra
What is darkest part of the moon's shadow called?
The darkest part of the moon is called the Umbra. That is the darkest not the largest.
