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Penumbra

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15y ago

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What is the outer portion of the shadow cast on Earth by the Moon called?

The outer portion of the shadow is called the "penumbra".


Why does Earth's shadow often covers the entire Moon during a lunar eclipse?

During a lunar eclipse, the Earth comes between the Sun and the Moon, casting its shadow on the Moon. The Earth's shadow has two parts: the outer penumbra and the inner umbra. When the Moon passes through the umbra, it is completely covered by Earth's shadow, leading to a total lunar eclipse.


What is the light-colored outer shadow on earth's surface cast by the moon during a solar eclipse?

Isay it is penumbra


How do we know that the phases of the moon are not due to the moon moving in earth's shadow?

Firstly it is because the moon appears brightest when it is furthest from the Sun and is darkest when it is closer to the Sun than the Earth. Secondly because the Earth has a circular shadow. Thirdly because of the Moon's angle to the ecliptic it does not pass through the Earth's shadow very often. When it does the event is called a lunar eclipse (Not to be confused with the rarer and more spectacular solar eclipses)


Why does the Moon's shadow fall on part of the earth?

Because the moon comes between the sun and Earth, casting the moon's shadow on Earth.


When earth shadow falls on the moon does this cause a solar eclipse?

No, when the moon's shadow falls on the earth, this is a solar eclipse. When the earth's shadow falls on the moon, it is a lunar eclipse.


Explain how an eclipse is evidence of the earth being sphercial in shape?

Circle because the earth gets the light from the sun makes a shadow of the earth wich is a movig circle in the satespheresinserlysamanthacarlinHightowertrail elm fourthgrade loves the planets


When the moon or earth casts a shadow over the other?

When the Earth passes between the Sun and the Moon, it casts a shadow on the Moon, creating a lunar eclipse. When the Moon passes between the Sun and the Earth, it casts a shadow on the Earth, creating a solar eclipse.


The moon casts a shadow on Earth during a?

An eclipse. When the Earth is in the Moon's shadow, it's a solar eclipse; when the Moon is in the Earth's shadow, it's a lunar eclipse.


What happens on eclipse?

An eclipse is a shadow. A solar eclipse is the Moon's shadow on the Earth, and a Lunar eclipse is the Earth's shadow on the Moon.


When the earths shadow falls on the moon?

The shadow of the Earth on the moon's surface is the reason that it takes different phases. When the Earth completely occludes the moon, it is a new moon, and when there is no shadow, it is a full moon.


What is it called when the moon shadow travels across part of earth?

The phenomenon of the moon casting its shadow on Earth is called a lunar eclipse. This occurs when the Earth passes in between the Sun and the Moon, causing the Moon to move into Earth's shadow.