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Primordial Black Hole Flybys Could Alter Exoplanet Orbits

July 11, 2025
Primordial Black Hole Flybys Could Alter Exoplanet Orbits
By Evan Gough (https://ift.tt/xBPwkG7)

An artist's illustration of primordial black holes. If they exist, they could alter the orbits of exoplanets and tell astrophysicists something about dark matter. Image Credit: NASA's Goddard Space Flight Center

Close encounters with massive objects can alter the orbits of planets around their stars. Stellar flybys can change planetary orbits, and may be responsible for some of the rogue or free-floating planets astronomers have discovered. But stars aren't the only massive objects out there, and new research suggests that primordial black holes may alter the orbits of exoplanets.



July 12, 2025 at 01:52AM
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