 | Greg Bear - 2001 - 484 pages
...planet, occulted. He tried to remember Laplace's law regarding the first three Galilean moons: The longitude of the first satellite, minus three times...second, plus twice that of the third, is always equal to half of the circumference ... He had memorized that in high school, but it did him a fat lot of good... | |
 | Oliver J. Thatcher - 2004 - 466 pages
...attraction rendered this ratio rigorously exact, and it has moreover made the mean longitude of the first minus three times that of the second, plus twice that of the third, equal to a semicircumference. At the same time, it gave rise to a periodic inequality, which depends... | |
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... that the mean longitude of the first satellite, minus three times that of the second, plus twice that of the third, is always equal to two right angles. 
