his correct handle is @neiltyson
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thanks for letting us know. We will repost with the correct
@neiltyson handle!
End of conversation
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Does
@neiltyson have a twin with opposite spin?Thanks. Twitter will use this to make your timeline better. UndoUndo
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I mean, if spacetime is completely flat, how can a particle like a photon gain speed or free fall?
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what pushes a beam of light? Does a photon have quantum gravity?
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