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January 30, 2026

Potentially habitable Earth-sized planet discovered

Scientists have discovered an Earth-sized planet 146 light-years away orbiting a Sun-like star with Mars-like conditions, NASA has said

Potentially habitable Earth-sized planet discovered

TL;DR

  • An Earth-sized planet candidate, HD 137010 b, has been discovered 146 light-years away.
  • The planet orbits a Sun-like star and has a year lasting approximately 355 days.
  • It is located near the outer edge of its star's habitable zone, potentially resulting in cold surface temperatures.
  • A dense, carbon dioxide-rich atmosphere could raise the planet's temperature and increase its chance of being within the habitable zone.
  • Further observations from missions like TESS or CHEOPS, and next-generation telescopes, are needed for confirmation.
  • The planet's characteristics make it a promising target for studying Earth-like exoplanets.

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