Enceladus is Saturn's sixth largest moon.
It orbits the densest part of Saturn's diffuse E ring.
In 2005 Cassini started multiple close flybys revealing
it's surface and atmosphere in greater detail. It discovered
a water rich plume venting from the south polar region.
Cryovolcanoes near the south pole also shoot geyser like
jets of water vapor and other materials including sodium chloride
and ice particles at the rate of approximately 200 kilograms
per second. Some of it falls back as "snow" and the rest escapes.
There was also the finding of escaping internal heat. That combined with the finding of few impact craters, show that Enceladus remains geologically active today.
Cassini provided strong evidence that Enceladus has an ocean
with an energy source, nutrients, and organic molecules.
All that makes Enceladus one of the best places to study and search for potentially habitable environments with extraterrestrial life.
The atmosphere of Enceladus is composed of 91% water vapor, 4% nitrogen,
3.2% carbon monoxide, and 1.7% methane.
In the video above we see what appear to be quite a few Ufo’s in the area above Enceladus. One is rather large and has a distinct donut like shape.