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A comment on A one-second video taken by the Rosetta probe on the surface of a comet. Parent comment

Re:A one-second video taken by the Rosetta probe on the surf... by logfromblammo on Wednesday April 25, 2018 @02:52PM (#16924799)
I presume relative to the solar barycenter, and Wikipedia says that speed is its maximum speed (at perihelion of about 1.3 AU).

For reference, Earth does a mean speed of about 107,000 km/h relative to the solar system's center of mass.

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