@neiltyson @cubsbeisbol we have memes now
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson You are not impressed with the Mars rovers? Hubble?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson The fact is that our technology and data collection is so vast that we can limit the risks of travel: Spaceship earth.Thanks. Twitter will use this to make your timeline better. UndoUndo
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