The darkest portion of the Moon's shadow during an eclipse is called the umbra.
In the Moon's shadow. Particularly, the "penumbra" which is the lighter partial shadow, rather than the "umbra", the darker total shadow area.
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.
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The area of the mountain that receives high rainfall is called the windward side. This side of the mountain is typically lush and green due to the moist air being forced to rise and cool, leading to precipitation.
A shadow is made when an object blocks out light coming from a light source. because there is less light particles in that area, surfaces don't reflect as much, making it darker in that area. that is why you can't see when there is no light source.
when Earth due to an earthquake, there is a large area on the other side where the waves cant be detected.they called this area the S-Shadow.
The umbra in a shadow is the portion where light from a source is completely blocked. This is in the middle of the shadow. The area around this, where light from part, but not all of the source shines is called the penumbra. In the shadow cast by the moon in an eclipse, the penumbra is the partial shadow that occurs before the total eclipse, and the umbra is the 'total eclipse' portion
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A nipple is a nipple, simple as that. The sometimes darker // pinker skin around the nipple is called the aureole.