For the rest of Thursday, ground controllers plan to send Dragon on a wide loop around the space station, maintaining a separation of several miles as the spacecraft zips above and then falls behind the station.

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As soon as the brain gets confusing signals from the two ears it stops using stereo separation as a way of distinguishing sound in space.

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This massive separation will allow it to measure the distortion of space as a gravity wave passes by.

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The digital sports space may be big, but the players are connected by only a few degrees of separation.

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