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Diagram of Umbra and Penumbra

Diagram of Umbra and Penumbra

02 de agosto de 2026
há 40 minutos
Diagram of Umbra and Penumbra
Diagram of the umbra and penumbra shadows during a lunar eclipse
During an eclipse, two shadows are cast. The first is called the umbra (UM bruh). This shadow gets smaller as it goes away from the sun. It is the dark center of the eclipse shadow. The second shadow is called the penumbra (pe NUM bruh). The penumbra gets larger as it goes away from the sun.

During an eclipse, two shadows are cast. The first is called the umbra (UM bruh). This shadow gets smaller as it goes away from the sun. It is the dark center of the eclipse shadow. The second shadow is called the penumbra (pe NUM bruh). The penumbra gets larger as it goes away from the sun.

NASA

Agência Espacial Americana

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