Saturn system
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Saturn also presents the same problems of solid surface absence, but as with Jupiter, here we can also take refuge in some of his satellites. First, Titan, its largest satellite. Titan has an atmosphere dense than that of the earth, and is the richest in hydrocarbons throughout the solar system. As in Cassini-Hygens images, the sky on the titan surface would be yellow-orange tones, with clouds that hide the already pale sun. The temperature is terribly low, greater than -280 ° C, and allows the existence of a methane cycle. Living in Titan would mean living with a faint glow, in the cold, between methane lakes.
Uranus system
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The interior of the ice cream giants is not fully known, so far we only know that they have a not so deep solid rock surface. As for the satellites, there are not many useful clues around Uranus, and we would have to choose one of the unique small moons that have a spheroidal shape: Ariel, Oberón, Titania, Umbriel and Miranda. They do not have atmosphere, so we would have to think about artificial environments that exploit the water in which these frozen moons are very rich. For example, indications of an underground liquid ocean have recently found in Ariel.
Neptune system
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The main objective of the Neptune system is Triton, its largest moon and the only one that is not an irregular stone. Triton is larger than our moon, it was probably once a dwarf planet and then was captured by the gravity of Neptune. It also has a vague atmosphere, even if it is only seasonally, when Neptune is closer to the sun and the ice of the triton surface are sublimated. A peculiarity is that Triton is one of the few places where we would see the sun rise in the west and put on the east, because it revolves in the opposite direction to the rotation of the planet. The sun is tiny from down there, so it would not be enough to heat or illuminatethe incoming brightness is approximately one thousandth of the one we have here on earth.
Pluto
Heritage images/getty images
The old ninth planet, a parent of the dwarf planets, resembles Triton in terms of habitability: little. Pluto is a cold body, with immense extensions of ice that move similar to the glaciers of the earth. We would see nitrogen ice plains such as Sputnik plain with water ice icebergs moving inside. We would see some cryovolcanic phenomena with jets of material expelled from a probable underground ocean. In heaven he would be Caronte, with whom Pluto forms a binary system, and the sun would resemble any other star.
Article originally published in Wired Italy. Adapted by Alondra Flores.
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