For example, if you are in the antumbra during an annular solar eclipse, you can see the edge of the Sun's disk as a “ring of fire” around the Moon. The other 2 areas are: Umbra – the shadow's dark center portion. Penumbra – the lighter outer part of the shadow.
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Antumbra Definition
For example, if you are in the antumbra during an annular solar eclipse, you can see the edge of the Sun's disk as a “ring of fire” around the Moon. The other 2 areas are: Umbra – the shadow's dark center portion. Penumbra – the lighter outer part of the shadow.