Scientific American 201907

(Rick Simeone) #1
74 Scientific American, July 2019 Photographs by Chris Gunn

APOLLO’S


BOUNT Y


THE LUNAR ROCKS BROUGHT HOME


BY APOLLO ASTRONAUTS RESHAPED


OUR UNDERSTANDING OF THE MOON AND


THE ENTIRE SOLAR SYSTEM. GATHERING


MORE OF THEM IS ONE OF THE MOST


IMPORTANT REASONS TO GO BACK


By Erica Jawin


INSIDE a Teflon bag within a
nitrogen-filled storage cabinet
at the Apollo Sample Vault at nasa’s
Johnson Space Center is the largest
remaining piece of the Apollo 15
moon rock sample 15556.
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