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If the light source is fairly large, it will create a total shadow, when the entire light source is blocked, and partial shadow where only part of the light source is blocked. The "umbra" is the area of total shadow, while the "penumbra" is the area of partial shadow.

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What is the larger part of the moons shadow that's less darker then the umbra?

Penumbra.


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What is the contrast between an umbra an a penumbra?

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How do the umbra and penumbra relate to eclipse?

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Which solar eclipse is associated with the umbra and the penumbra?

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What is the difference between the umbra and the penumber?

umbra is the shadow and penumbra is the part the umbra is in


How does the penumbra differ from an umbra?

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Word origin of umbra penumbra and ant-umbra?

The word "umbra" comes from Latin, meaning "shadow." "Penumbra" is also from Latin, combining "paene," meaning "almost," with "umbra." "Antumbra" derives from Latin "anti," meaning "against," and "umbra."


What is the difference in Umbra and Penumbra in Xrays?

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Do you have to be in the moons umbra to see a solar eclipse?

To see a total solar eclipse, yes. However, you need only be in the penumbra to see a partial eclipse.


What are two parts of a shadow?

umbra and penumbra


What is the effect of umbra and penumbra on eclipses?

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