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BINARY STAR EVOLUTION AS A DRIVER OF PLANET FORMATION


A groundbreaking new study reveals how binary star systems—two stars orbiting each other—can shape the planets that form around them. Focusing on the nu Octantis system, just 73 light-years away, astronomers discovered a massive planet with a rare retrograde orbit, moving opposite to its star’s rotation. Using data from the HARPS spectrograph, researchers found that the system’s companion star likely reshaped the planet’s orbit, challenging traditional theories of planet formation.

This discovery suggests that binary stars may be powerful drivers of planetary evolution, opening the door to stranger and more resilient worlds than we ever imagined.