orbital momentum

orbital momentum

[′ȯr·bəd·əl mə′men·təm]
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The term [e.sup.im[theta]] represents the orbital momentum for mode "m" and this is the term that makes the waveforms for different (m) mutually orthogonal [4, 18].
Recall that for our own Solar System the Oort Cloud dominates the total angular momentum, being a factor of at least 50 greater than the total planetary orbital momentum. Without the Oort Cloud angular momentum, QCM predicts that all the planetary orbital radii would be within the radius of the Sun!
And because it orbits much faster than the star turns, this tidal interaction should be robbing WASP-18b of orbital momentum. It should spiral into the star and be consumed in about a million years.