San Francisco, we are bringing Mars to you! Come say hi to NASA experts. My team will be at the @exploratorium where you can create your own #earthquakes and see the seismic waves on a big screen. Can your jumps make the seismic waves go off the grid? Come find out. #MarsRoadshowpic.twitter.com/RjASyXeRZV
8:29 AM - 17 Apr 2018
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