Meet the "Cassini" - spacecraft and automatic interplanetary station, exploring Saturn, its rings and the planetary system. It was named in honor of the astronomer Giovanni Cassini and run to a giant planet in October 1997. Only towards the end of last year, after 19 years of the research, "Cassini" has moved to the final phase of its mission, "end of the opera." At this stage, the probe must fly twenty times through the rings of the gas giant, and then finish its way, "drowned" in Saturn. All t…