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120_Earth

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License = https://en.wikipedia.org/wiki/File:The_Earth_seen_from_Apollo_17.jpg
Title = "The Blue Marble" is a famous photograph of the Earth taken on December 7, 1972, by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometres (18,000 mi). It shows Africa, Antarctica, and the Arabian Peninsula.
URL = https://upload.wikimedia.org/wikipedia/commons/9/97/The_Earth_seen_from_Apollo_17.jpg
2_Earthrise/License = https://en.wikipedia.org/wiki/File:NASA-Apollo8-Dec24-Earthrise.jpg
2_Earthrise/Title = Taken by Apollo 8 crewmember Bill Anders on December 24, 1968 while in orbit around the Moon, showing the Earth rising above the lunar horizon. Note that this phenomenon ("Earthrise") is only visible to an observer in motion relative to the lunar surface. Because of the Moon's synchronous rotation relative to the Earth (i.e., the same side of the Moon is always facing Earth), the Earth appears to be stationary (measured in anything less than a geological timescale) in the lunar "sky". In order to observe the effect of Earth rising or setting over the Moon's horizon, an observer must travel towards or away from the point on the lunar surface where the Earth is most directly overhead (centred in the sky).
2_Earthrise/URL = https://upload.wikimedia.org/wikipedia/commons/a/a8/NASA-Apollo8-Dec24-Earthrise.jpg

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