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Astronomers Detect Rare Polar-Orbiting Exoplanet Around Eclipsing Brown Dwarfs

The discovery of 2M1510 (AB) b, orbiting at a 90-degree angle to its host stars, challenges existing models of planetary motion and offers new insights into gravitational dynamics.

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Overview

  • The exoplanet 2M1510 (AB) b has been identified orbiting a binary system of eclipsing brown dwarfs at a rare 90-degree polar angle.
  • This marks the first strong evidence of a polar-orbiting planet around a binary brown dwarf system, based on indirect radial velocity measurements.
  • The discovery was published on April 16, 2025, in the peer-reviewed journal Science Advances, highlighting its scientific significance.
  • Researchers utilized data from ESO’s Very Large Telescope, NASA’s Kepler, and TESS to analyze the gravitational interactions in the system.
  • While the findings are compelling, experts emphasize the need for direct observation to confirm the planet’s existence and further study its characteristics.