In case you missed it, here’s one for the history books: for the first time ever, I’ve placed a seismometer on the surface of #Mars! Once it’s all set up, I can start listening for marsquakes. More: http://go.nasa.gov/2QGBeYX pic.twitter.com/vUkedVMcTX
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks! I was curious. You can go on "sciencing" now. Many thanks again and good job

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