Penumbra.
Total shadow is the UMBRA.
Partial shadow is the PENUMBRA.
These words usually refer to solar/lunar eclipses. However, they can refer elsewhere to shadows.
The lighter region of a shadow is called the penumbra, which is the area where some light can still reach.
The shadow cast by the moon on Earth during a solar eclipse is called the umbra. This is the central, darkest part of the shadow. Surrounding the umbra is a lighter shadow called the penumbra, where only a partial eclipse is visible.
Lunar eclipse: Earth makes the shadow; the moon passes through it.Earth's shadow is large enough to darken the shole moon at the same time.Solar eclipse: Moon makes the shadow; earth passes through it.Moon's shadow is not large enough to darken the whole earth at the same time ...it causes only a small dark spot, that moves along the surface as the earth turns.
penumbra
The lighter outer part of a shadow during an eclipse is called the penumbra. In this region, only a portion of the light source is obscured, allowing some light to reach the area, resulting in a partial shadow. This contrasts with the darker central area known as the umbra, where the light source is completely blocked. As a result, observers in the penumbra experience a partial eclipse.
The penumbra.
The darker total shadow is called the "umbra"; the lighter, partial shadow is called the "penumbra".
It is called the Umbra, the 'lighter' part of the shadow is the Pen-umbra
The lighter region of a shadow is called the penumbra, which is the area where some light can still reach.
The shadow cast by the moon on Earth during a solar eclipse is called the umbra. This is the central, darkest part of the shadow. Surrounding the umbra is a lighter shadow called the penumbra, where only a partial eclipse is visible.
rain shadow
The darkest, "total" shadow is called the "umbra", while the partial shadow is called the "penumbra", from the latin prefix "pen" meaning "almost".
Lunar eclipse: Earth makes the shadow; the moon passes through it.Earth's shadow is large enough to darken the shole moon at the same time.Solar eclipse: Moon makes the shadow; earth passes through it.Moon's shadow is not large enough to darken the whole earth at the same time ...it causes only a small dark spot, that moves along the surface as the earth turns.
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.
Yes, the dark side of the Earth facing away from the Sun is called the "night side" rather than a shadow. Shadow refers more to when an object blocks light, creating a darker area behind it.
The downwind side of a mountain is called the leeward side. Another name for this side of the mountain is known as the rain shadow.
The penumbra.