March 26 , 2024
244 days
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- Astronomers using the James Webb Space Telescope (JWST) have found hints of a distant planet that could be entirely covered in a deep ocean.
- The planet, known as TOI-270 d, is located 70 light-years away and is twice the size of Earth.
- Observations of the planet's atmosphere revealed water vapour, methane, and carbon dioxide, which is consistent with a water world.
- Some researchers believed that TOI-270 d might be too hot for liquid water, with temperatures reaching 4,000 degrees Celsius.
- There might be an ocean on TOI-270 d because they haven't detected ammonia in its atmosphere.
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