Using Kepler's third law and Newton's laws of motion and gravity, we can calculate how big or massive the planet has to be to cause the star to have that variation in orbit.
(the planet; to cause; the star to have that variation in orbit) Context(the planet to cause,List([102, 131))):(the star; to have; that variation in orbit) (we; can calculate; how big or massive the planet has to be to cause the star to have that variation in orbit)
the planet to cause,List([102, 131))
the planet the star we
to cause to have can calculate
the star to have that variation in orbit
that variation in orbit
how big or massive the planet has to be to cause the star to have that variation in orbit