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Is it physically possible to have planets consisting entirely of liquids? I don't mean an ocean world, but a planet with nothing but liquid?
EnumaElish said:What property of gases makes them a viable interface with the vacuum?
What does one mean by viable.EnumaElish said:What property of gases makes them a viable interface with the vacuum?
Yes, it is possible for a planet to be 100% liquid. There are some exoplanets (planets outside of our solar system) that have been discovered to be entirely covered in oceans of liquid. These planets are known as "water worlds" and are thought to have a thick atmosphere that traps in heat, allowing the water to remain in liquid form despite the planet's distance from its star.
A planet can be 100% liquid if it has the right conditions, such as a thick atmosphere and a sufficient amount of water. The planet also needs to be at the right distance from its star to maintain a stable temperature and prevent the water from freezing or evaporating.
It is possible for life to exist on a planet that is 100% liquid. Some scientists believe that these water worlds could potentially harbor microbial life forms in the oceans. However, it is currently unknown whether complex life forms could evolve in such an environment.
No, Earth is not at risk of becoming 100% liquid in the future. While the polar ice caps are melting due to climate change, Earth is still a predominantly solid planet with only about 71% of its surface covered in water. It is unlikely that Earth will ever become 100% liquid.
Scientists study planets that are 100% liquid using a variety of methods. One way is through observations with telescopes, which can detect changes in the planet's atmosphere or surface. Another way is through simulations and experiments in laboratories, where scientists can recreate the extreme conditions found on these planets to better understand their properties and potential for life.