Phase of the Moon, 21 September 1890. Observation made from the Lick Observatory, California, USA. The notes record that the Moon's declination (its deviation from its normal orientation) is over 24 degrees. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Royal Astronomical Society |
Taille de l’image : | 5282 px × 6651 px |
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