Phase angle

Rarity: Common

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At a glance

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Notion

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Science and technology

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What Wikipedia says

In observational astronomy, phase angle is the angle between the light incident onto an observed object and the light reflected from the object. In the context of astronomical observations, this is usually the angle Sun-object-observer.

Excerpt from the Wikipedia article “Phase angle (astronomy)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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