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[140] [182] Life could exist in its under-ice ocean, perhaps in an environment similar to Earth's deep-ocean hydrothermal vents. [ 162 ] [ 183 ] Even if Europa lacks volcanic hydrothermal activity, a 2016 NASA study found that Earth-like levels of hydrogen and oxygen could be produced through processes related to serpentinization and ice ...
Icy moons are a class of natural satellites with surfaces composed mostly of ice. An icy moon may harbor an ocean underneath the surface, and possibly include a rocky core of silicate or metallic rocks. [1] It is thought that they may be composed of ice II or other polymorph of water ice. [2] The prime example of this class of object is Europa.
The Summary. NASA has launched a new mission to Europa, an icy moon of Jupiter thought to harbor a vast ocean. The moon is considered one of the most promising places in the solar system to search ...
Life may exist in Europa's under-ice ocean. So far, there is no evidence that life exists on Europa, but the likely presence of liquid water has spurred calls to send a probe there. [36] Recurring plume erupting from Europa. [37] The prominent markings that criss-cross the moon seem to be mainly albedo features, which
An internal ocean's presence implies a strong heat source inside Mimas that turned ice into an ocean. Mimas follows an elliptical orbit around Saturn at an average distance of about 115,000 miles ...
A deep ocean exists beneath the icy, cratered surface of Saturn’s moon Mimas, according to a new analysis of data from NASA’s Cassini mission.
In the 1970s, NASA scientists first suspected that Ganymede had a thick ocean between two layers of ice, one on the surface and one beneath a liquid ocean and atop the rocky mantle. [ 9 ] [ 20 ] [ 70 ] [ 74 ] [ 75 ] In the 1990s, NASA's Galileo mission flew by Ganymede, and found indications of such a subsurface ocean. [ 46 ]
global ocean under 135 to 150 km of ice Enceladus: moon of Saturn: 0.01 (internal global ocean) (salt?) water subsurface, global c. 650,000 26–31 or 38 ± 4 global ocean under 21–26 or 23 ± 4 km of ice, based on libration [14] [15] Dione: moon of Saturn: 0.14 (internal global ocean?) water? water–ammonia mixture? subsurface, global c ...