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 As...
An Ancient Stellar Passage Altered the Orbits of Comets We See Today
By system
July 14, 2026 •
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Original source:
Universe Today
