Artist's impression of exoplanet TOI-1452 b
The anatomy of water worlds.
Exoplanet TOI-1452 b is orbiting red dwarf TOI-1452 for 11 days. There is a possibility, that a thick water layer covers the entire exoplanet TOI-1452 b. That thing makes that exoplanet very interesting. TOI-1452 b is 70 times larger than Earth and five times more massive than our planet. TOI-1452 b is possible a locked planet where powerful winds are blowing because the difference in temperature between day and night sides is very big. So what kind of world the water world can be?
That temperature difference causes extremely strong winds. The windspeed in those jet streams can rise over Mach 1. The difference in the wind speed in latitudes causes the stripes in the water world's atmosphere and the friction between those stripes will heat the atmosphere of the water world.
And if there forms some kind of hurricanes in the atmosphere of water worlds those hurricanes can stay years. The water worlds have stripes because there is nothing that can disturb the atmosphere. Forming clouds requires islands or dry areas. Ans waves require that there is some kind of shoals.
If there are no shoals or landmass the oceans can be very slight, because nothing will cause the waves. There are possible massive vertical flows that are chancing water at the surface. But those flows require that there is some kind of volcanic activity below the ocean. There is the possibility that water layers over the water world exoplanets are even thousands of kilometers deep.
The massive gravitation can pull water even to ice. The exoplanet Gliese 461 b has a surface covered by ice even if the temperature on that planet is 436 degrees Celsius, but the extreme gravitation pulls water to ice on that planet.
There is also the possibility that a thick water layer presses the bottom of the ocean to ice. The reason for that is the extremely high pressure will deny the oscillation of water molecules.
But if the gravitation on the surface of the water world is stronger on Earth but lower than forming of hot ice requires. That means the water will not boil at 100 degrees Celsius. So the oceans of the water worlds can be extremely hot, and they will not boil. Because of massive gravitation.
There is possible that that planet's ocean swims some kind of lifeforms that are similar to that swam in Earth's oceans before the oxygen is released into the Atmosphere. The water worlds are exoplanets that can support quite similar lifeforms like fishes or sea insects even if that planet is in a powerful radiation zone. The water layer protects animals that are living in that ocean.
Can there be intelligent lifeforms on water worlds?
The ocean worlds are very interesting in the point of search for intelligent lifeforms. The intelligent lifeforms can make undersea structures and underwater stations for protecting themselves against the powerful radiation of the central star of some water world. But in most of those models, the intelligent civilization must form on other planets.
On the water worlds themselves, the endemic species cannot reach the level of the technically advanced civilization, because they cannot make fire or melt metals, which is the key element for technical inventions. But there is always the possibility that the endemic species can use volcanic temperature for melting metals, that was the first step for humans on that route to technically advanced species.
https://exoplanets.nasa.gov/news/1710/discovery-alert-intriguing-new-super-earth-could-get-a-closer-look/
https://futurism.com/the-strangest-exoplanet-ever
https://www.newsweek.com/exoplanet-alien-life-toi-1452-b-astronomy-james-webb-1736578
https://scitechdaily.com/water-world-astronomers-discover-an-extrasolar-world-that-may-be-entirely-covered-in-a-deep-ocean/
https://en.wikipedia.org/wiki/TOI-1452_b
Image: https://scitechdaily.com/water-world-astronomers-discover-an-extrasolar-world-that-may-be-entirely-covered-in-a-deep-ocean/
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