+ 1970 News Releases (7.6 Mb PDF file) - NASA

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MSC 70-111
material from 5 to 10 kilometers (3 to 6 miles) beneath the lunar
surface. Copernicus is also thought to have been formed by one of
the younger events _n lunar history and to be a key in dating other
lunar features. Samples from the floor of Copernicus will _ive clues
as to the differentiation or layering of the Moon. And material which
has come from the central peaks may answer questions on the Moon's
interior composition and structure.
Copernicus, like Tycha_ presents a difficult landing problem;
however, experience gained on the Apollo 14 and 15 missions could
overcome these problems.
Other landing s_Les have also seen discussed and are not ruled
cut for future missions.
Select:on of future sites w_ll depend in large part on the results
a_d scTent_fie findings from preceding missions.