So What does a Larger Penumbra mean?

To day, I’ll show you video So What does a Larger Penumbra mean?

So What does a Larger Penumbra mean? – I want to ask the question: Why does a local light produce a penumbra faster than the sun?

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So What does a Larger Penumbra mean? uploaded in 2020-07-27 00:34:36 by MrThriveAndSurvive