Talk:Rotation period

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Rotation period is meaningless without a reference direction. Presumably these are all siderial periods? Gordon Vigurs 10:53, 28 June 2006 (UTC)

There isn't much more to say about rotation periods. Shouldn't this be merged with a general article on planetary motion? Gordon Vigurs 07:52, 11 July 2006 (UTC)

Well, the chart of periods is nice for the various moons and planets. The table is of sidrial periods. But maybe this article could be folded in with Orbital period? Careful, if you change this, though. Look out for the likes of the Lunar month entry, which references this article (rotation period). Pigkeeper 05:32, 10 October 2006 (UTC)

Also, Rotation period is not just for astronomy, but for any body which rotates. Says so here: http://members.axion.net/~enrique/rotationperiod.html Pigkeeper 05:44, 10 October 2006 (UTC)