s******o 发帖数: 298 | 1 Subtle hues provide clues of violent impacts and a volcanic past.
by Jim Bell
In the late 1960s, black-and-white television sets were the norm, so the
stark, colorless landscape explored by Apollo 11's astronauts and beamed back
live to the awestruck world didn't seem unusual. I remember later, though,
watching color movies of the astronauts' adventures and noticing the bright
American flag and splashy colors of the lunar module's gold foil standing out
against various shades of a dull lunar bac |
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