Definitionn. a fringe region of partial shadow around an umbra
Last update: September 25, 2015
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The indiscreet touch of a glance brutalizes this vague penumbra. [Please select]
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There will be a gradual increase of brightness in the penumbra from total darkness at the edge next the geometrical shadow to full illumination at the outer edge. [Please select]
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It is, moreover, an organization that has a wide penumbra. [Please select]
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): the penumbra continued upon her disc for an hour afterwards. [Please select]
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This is the entrance into the “penumbra” (or “Partial shade”). [Please select]
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), but the penumbra continued upon her disc for an hour afterwards. [Please select]
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It will occasionally happen that the Moon gets immersed in a penumbra but escapes the dark shadow. [Please select]
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