Astronomers Find a Waterworld Planet With Deep Oceans in the Habitable Zone universetoday storybywill
, which suggests that water may make up as much as 30% of TOI 1452 b’s mass, which is also similar to satellites like Jupiter’s moons Europea, Ganymede, and Callisto, and Saturn’s moons Titan, Dione, and Enceladus.
Artistic representation of the surface of TOI-1452 b, which could be a planet entirely covered by a thick layer of liquid water. Credit:In recent years, astronomers have detected hundreds of similar exoplanets with radii and masses between Earth and Neptune but significantly lower densities. This suggests that a large fraction of these exoplanets’ mass is made up of volatiles such as water, leading to the nickname “ocean planets.
“TOI-1452 b is one of the best candidates for an ocean planet that we have found to date. Its radius and mass suggest a much lower density than what one would expect for a planet that is basically made up of metal and rock, like Earth.” Given that TOI-1452 b orbits within its host star’s HZ, it is unlikely to have an icy surface, which means it could have oceans several kilometers in depth. This makes TOI-1452 b a perfect candidate for further observations using the JWST, as it is one of the few known temperate planets that also exhibits the characteristics of an ocean planet.
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