Phys iconPhysSep 13, 2026

NASA's next great observatory could spot oceans on distant worlds

Dozens of them are in the habitable zones of their parent stars, where, at least in theory, they could host an ocean.

NASA's next great observatory could spot oceans on distant worlds

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Dozens of them are in the habitable zones of their parent stars, where, at least in theory, they could host an ocean.

We've never definitively found a liquid ocean on another planet.

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Dozens of them are in the habitable zones of their parent stars, where, at least in theory, they could host an ocean. We've found more than 5,500 exoplanets so far. We've never definitively found a liquid ocean on another planet.

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We've found more than 5,500 exoplanets so far. We've never definitively found a liquid ocean on another planet.

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