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Monday, March 19, 2018

The Cassini spacecraft has sent to Earth “farewell” image of Enceladus

A little more than a week, September 15, the spacecraft “Cassini” (Cassini) will burn up in the atmosphere of Saturn, but until this moment he continues to work and, in particular, to send to Earth interesting pictures. This time the spacecraft is at last captured Enceladus, potentially habitable satellite, which is one of the closest to Saturn and its largest moons.


Experts at the American space Agency NASA has created a series of images so that Saturn appeared in front of Internet users “in motion”. Each image was obtained by combining several images taken through different filters of a camera on Board the research unit.

Many experts quite appreciate the odds that Enceladus could be habitable, even in this case, of course, is only the primitive micro-organisms. No direct evidence of life on the moon, scientists could not be found, however indirectly, it may reflect a number of recent discoveries. In particular, in April of this year in the water, which rises from the geysers of Enceladus, was discovered a number of different chemicals, including molecular hydrogen. According to some researchers, this hydrogen would represent a chemical energy source required for the origin of life terrestrial, while some other identified elements could provide and maintain it. And in July, in a gas cloud surrounding Enceladus, experts have found a molecule of methanol. However, experts noted that the presence of these organic molecules can hardly be considered evidence of the habitability of the satellite — most likely, they are not formed in his bowels, and at the time when the water is thrown cryovolcanism from the depths of cosmic bodies on the surface.

As for Cassini, this unit, launched on 15 October 1997, and worked in orbit of Saturn for 13 years, will soon finish his mission. Today he went to the last orbit around the gas giant, and in ten days I will enter it’s atmosphere and burn up in it. Earlier it was reported that even on the last day of the research station will supply scientists with different data. This, in particular, can accurately determine the ratio in the atmosphere of Saturn’s hydrogen to helium, and probably even come close to answering the question, what is the source of the magnetic field of a red giant.


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