Rotation
As of August 2008, the most recent calculation of HAT-P-1b's Rossiter-McLaughlin effect and so spin-orbit angle was that of Johnson. This is +3.6 ± 2.0 degrees.
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Famous quotes containing the word rotation:
“The lazy manage to keep up with the earth’s rotation just as well as the industrious.”
—Mason Cooley (b. 1927)