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An Ancient Stellar Passage Altered the Orbits of Comets We See Today
A recent study out of the Planetary Science Institute notes that the close passage of the star HD 7977 may have triggered a cascade, sending long-period comets sunward. What’s more, the same uptick in long-period comets may still be underway today. The study was recently presented at the American Astronomical Society Division on Dynamical Astronomy.
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