Second stop on the #MarsRoadshow is @PowerhouseSac in Sacramento, Calif. Visit with my team between April 13-15 to learn more about #Mars and ask questions about what I’ll be doing on the Red Planet. See all tour stops: http://go.nasa.gov/2p8jdmI pic.twitter.com/pty6uwTzwS
12:49 PM - 10 Apr 2018
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