The dominant gas in planet Saturn's atmosphere is hydrogen, but small amounts of helium and methane are also present. If life support on Saturn came into discussion, we'd have to agree that the conditions are very different from those on Earth. Saturn has a density level inferior to that of the water; thus, were there a lake or ocean, Saturn would be vanished in it. The possibility to sustain life has not been excluded in reference to Saturn's satellites, though, but studies are in progress, and until we have more conclusive data, all remains pure speculation.
Another planetary feature that attracts one's attention on Saturn is the high wind; just think of wind blowing at about 1,100 miles per hour in in low and central latitudes. But at first glance, nothing seems as spectacular on Saturn as the ring system that surrounds the planet. Three different sectors have been identified in the rings: we can actually speak of three rings in fact, with two brighter and one fainter. Space probes sent to study this unique planetary characteristics have revealed that each so-called ring consists of a large number of smaller ones, and that there are gaps between or inside the main ones too.
The very source of the rings of Saturn remains a mystery for the moment; what renders them so special is that many of them are icebergs of different sizes, including a significant amount of water. Other ring areas are made of dust mainly that show properties specific to electrostatic charging, thus allowing for the appearance of spokes. They are made of very fine dust particles, which are usually short-lived as the spokes merely dissipate. Then, there is a close relationship between some of the rings and smaller Saturn moons that seem to influence the dust presence in certain sectors. Moreover, the revelations science had with the discovery of planet Saturn's moons are neither the first nor the last, who knows what will show up next?
Friday, February 20, 2009
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