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发帖数: 1994 | 1 The Far Side of the Moon
Credit: Apollo 16 Crew, NASA
Explanation: Does this moon look familiar? Possibly not, even though it is
Earth's Moon. Locked in synchronous rotation, the Moon always presents its
well-known near side to Earth. But from lunar orbit, Apollo astronauts also
grew to know the Moon's far side. This sharp picture from Apollo 16's
mapping camera shows the eastern edge of the familiar near side (top) and
the strange and heavily cratered far side of the Moon. Surprisingly, the
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