Earth-sized exoplanet HD 137010 b hints at a Mars-like world in its star’s habitable zone
TL;DR Summary
An Earth-sized planet HD 137010 b, about 6% larger than Earth and 146 light-years away, orbits a sun-like star every ~355 days and has roughly a 50% chance of residing in its star's habitable zone. Its surface temperature would be more Mars-like due to the cooler, dimmer star, potentially below −70°C. The planet was detected via a transit captured by NASA's Kepler K2 mission and initially flagged by citizen scientists; confirmation requires additional transits, and its proximity makes it a prime target for future telescopes.
- A potentially habitable new planet has been discovered 146 light-years away – but it may be -70C The Guardian
- Discovery Alert: An Ice-Cold Earth? NASA Science (.gov)
- Finding A Frozen Earth In Old Data Universe Today
- Frosty Candidate Planet 150 Light-Years Away Might Be Remarkably Similar To Earth IFLScience
- A possible ice-cold Earth discovered in the archives of the retired Kepler Space Telescope Phys.org
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