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10 votes
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Effects of a binary star system on a tidally locked planet

The "three-body" problem and its stability are still an unsolved problem in general. There are papers that do long term integrations of planet orbits in binary systems to study their ...
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4 votes

Did de Sitter expect to disprove Ritz theory only with visual binaries?

A quote from de Sitter's paper Moreover in many cases the orbit derived from the radial velocities is confirmed by visual observations (as for Equulei, ζ Herculis, etc.) or by eclipse-observations (...
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2 votes

Mass of secondary normalized to 1 au

I can only guess the definition of the quantities that you use in the first equation (since you don't define them), but if the units are the ones indicated inside the parentheses, then your equation ...
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