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Tuesday, November 14, 2017

The presence of the warm ocean on a potentially habitable moon of Saturn


A group of scientists from the USA and France presented new evidence that under the surface of Enceladus, one of Saturn’s moons, there is an ocean of warm water, conditions which may be suitable for the origin and existence of life. This is supported by data collected by the spacecraft Cassini.


photo: pixabay.com

Scientific instrument RADAR (Radio Detection and Ranging Instrument) mounted on Cassini allowed to detect thermal radiation from the bowels of the satellite. According to experts, it testifies in favor of the fact that under the surface of Enceladus may be sufficiently high temperature to maintain water in the liquid state. A study published in the journal Nature Astronomy.

Enceladus the sixth largest moon of Saturn, its radius is about 25 times smaller than the earth. Along with Jupiter’s moon Europe it is considered one of the most potentially habitable celestial bodies in the Solar system after Earth.

Almost simultaneously with this, the study was published scientific work about another moon of Saturn, Titan. As it turned out, this cosmic body, which is the largest object in orbit of a gas giant, in many ways very similar to the ancient Earth — in particular, its atmosphere contains huge amounts of methane, like the Earth’s atmosphere 2.4 billion years ago.

Most known 62 moons of Saturn and Titan to Enceladus became not only attracted attention in recent years. Recently Cassini has sent to Earth the satellite called pan, which on closer examination due to its rather unusual shape was very similar to a dumpling. It is worth noting that almost four decades ago similar happened with Mimasa — a moon of Saturn, which is in the picture 1980 was similar to the “death Star” — a spacecraft from the fantastic Saga “Star wars”, the first film of which appeared three years earlier.

Recently, the probe Cassini, launched October 15, 1997, and June 30, 2004 which became the first artificial moon of Saturn, also sent several photos, which were captured rings of a gas giant and a huge hexagonal vortex raging in the upper layers of its atmosphere over the North pole.

source

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