Does water only exist in planet Earth?

On 22 July 2011 was discovered a gigantic cloud of water vapor containing “140 trillion times more water than all of Earth’s oceans combined” around a quasar 12 billion light years far from Earth.

It is probably that water exists in other galaxy than Milky Way. It was found in all its states. For example:

water vapor is present in the atmosphere of several planets and moons: the moon of Saturn Enceladus (91%), Mercury (3.4%), Earth (0.40%), Mars (0.03%), Venus (0.002%), Jupiter (0.0004%), and in exoplanets as HO 189733 b and HD 209458 b too.

Liquid water on planet Earth (71%), Enceladus (under the surface), Europa (under the subsurface) and Mars.

Water ice on planet Earth, Mars, Saturn rings, Mercury (poles), Pluto, Moon, Titan, Europa, Enceladus, Ceres, Tethys, Charon and on comets and related.



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