Abstract
When the moon is crescent-shaped, one sees, with an unaided eye, the remainder of its disk, not touched by the rays of the sun, in a dull grey light, as long as it is bright enough to distinguish itself from the heavens; when the dawn and dusk have already become very weak, or completely extinguished.
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Schmidt, J.F.J. (2020). Earthshine (Lumen Secundarium). In: The Moon. Historical & Cultural Astronomy. Springer, Cham. https://doi.org/10.1007/978-3-030-37269-9_10
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DOI: https://doi.org/10.1007/978-3-030-37269-9_10
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-030-37269-9
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