NASA's First Human Landing Sites/Exploration Zones on Mars Workshop Oct. 27-30 in Houston via NASA https://t.c... https://t.co/4VAB3hoQ6j

NASA's First Human Landing Sites/Exploration Zones on Mars Workshop Oct. 27-30 in Houston via NASA https://t.c... https://t.co/4VAB3hoQ6j

— John Prieto (@prietoj) October 20, 2015

from Twitter https://twitter.com/prietoj

October 20, 2015 at 08:56AM
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