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Giant worlds do a synchronized dance around a dying star
Two distant alien planets around a dying star have been discovered locked in the closest orbital embrace ever seen, a new study has found.
These two gas giant planets are bound by their mutual gravitational attraction, and are closer and tighter than any previously discovered set of planets.
"This is the tightest system that's ever been discovered, and we're at a loss to explain why this happened," said Caltech astronomer John Johnson, leader of the new study, in a statement. "This is the latest in a long line of strange discoveries about extrasolar planets, and it shows that exoplanets continuously have this ability to surprise us. Each time we think we can explain them, something else comes along."
The newly discovered pair is orbiting the massive dying star HD 200964, located roughly 223 light-years from Earth.