Copernican period
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The Copernican Period in the lunar geologic timescale runs from approximately 1.1 billion years ago to the present day. The base of the Copernican period is defined by impact craters that possess brig
The Copernican System on the near side of the Moon (Wilhelms, 1987)
The Copernican System on the far side of the Moon (Wilhelms, 1987)
Hayn
Jackson
Copernicus (lunar crater)
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Copernicus Crater is a lunar impact crater located in eastern Oceanus Procellarum. Thomas Webb describes it as "one of the grandest craters" with "a central mountain" and "a noble ring composed not on
Copernican period
…years ago to the present day. The base of the Copernican period is defined by impact craters that possess bright optically immature ray systems. The crater Copernicus is a prominent example of rayed crater, but it does not mark the base of the Copernican period. Copernican age deposits are mostly represented by crater…
Copernicus from Apollo 12
Telescopic views of Copernicus Crater (inset), showing its location on the near side
Calotype of (a model of) Copernicus Crater by John Herschel, 1842
Copernicus H crater with subtle dark-halo