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This supports the hypothesis that K2-18b could indeed have a water ocean. The same observations also suggest that K2-18b's atmosphere might contain dimethyl sulfide, a compound associated with life on Earth, although this has yet to be confirmed. [19] Another possibility is that K2-18b is a lava world with a hydrogen atmosphere. [20]
Evidence suggests that hydrogen peroxide is abundant across much of the surface of Europa. [192] Because hydrogen peroxide decays into oxygen and water when combined with liquid water, the authors argue that it could be an important energy supply for simple life forms.
The methane abundance relative to molecular hydrogen in the stratosphere is about 10 −4, [16] while the abundance ratio of other light hydrocarbons, like ethane and acetylene, to molecular hydrogen is about 10 −6. [16] Jupiter's thermosphere is located at pressures lower than 1 μbar and demonstrates such phenomena as airglow, polar aurorae ...
Jupiter, too, has trace amounts of hydrogen sulfide in its atmosphere. This planet is about 10% larger than Jupiter in diameter and mass. In addition to detecting hydrogen sulfide, a sulfur ...
Recent studies indicate a large underground saltwater ocean present on Ganymede, Jupiter’s largest moon, with estimated water volume eight times greater than Earth’s world ocean. [3] The fourth largest of Jupiter’s moons, Europa, while smaller than Earth’s moon, ranks fourth in water volume, estimated to be twice more than on Earth. [2]
Jupiter's helium abundance is 80% of the Sun's, similar to Saturn's composition. The ongoing contraction of Jupiter's interior generates more heat than the planet receives from the Sun. Its internal structure is believed to consist of an outer mantle of fluid metallic hydrogen and a diffuse inner core of denser material.
Scientists' consensus is that a layer of liquid water exists beneath the surface of Europa, a moon of Jupiter and that heat from tidal flexing allows the subsurface ocean to remain liquid. [19] It is estimated that the outer crust of solid ice is approximately 10–30 km (6–19 mi) thick, including a ductile "warm ice" layer, which could mean ...
But while it's important to keep fluid and electrolyte levels balanced, too much sodium from sources like table salt can disrupt this balance. When you consume a lot of sodium, your body retains ...