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Enceladus: Saturn's Icy Moon!
From its unique composition, to how it sends bits of itself into space, and more! Join us as we reveal to you Enceladus Saturn's icy moon facts and history! Hi everyone, we re-uploaded the video, improving the editing and correcting "Enceladus Spelling". Hope you like it. ------------------------------------------------------------------------------------------- Subscribe for more videos:https://www.youtube.com/c/InsaneCuriosity?sub_confirmation=1? Business Enquiries: Lorenzovareseaziendale@gmail.com ------------------------------------------------------------------------------------------- 8. Discovery and Naming When it comes to the moons and the planets in space, their discovery is a key part of their history. So who was the one who discovered Enceladus? That would be William Herschel in 1789. But just as impressively, it was during the first use of his new telescope that he got it done. In fact, at the time, the telescope he used was the biggest in the world. The problem though was that due to the position of the moon and how it was basically "shined over" by the brightness of Saturn and its rings...Enceladus was difficult to observe from Earth with smaller telescopes. However, Herschel was in luck, as he found it during a Saturnian equinox, the first moon to be discovered that way. The equinox in question removed some of the "glare" from the moon so that it could indeed be spotted. Prior to the Voyager missions the view of Enceladus improved little from the dot first observed by Herschel. We knew general information about the moon, but not much about the nitty-gritty of what made it tick. Thankfully we were able to get more information later on obviously. As for its title, the moon is named after the giant known as Enceladus from Greek mythology. But unlike certain other moons, the naming did not stop there, not one bit. Because unlike other structures, scientists and researchers decided to name various aspects of the moon. Impact craters for example were named after characters, whereas other feature types, such as fossae (long, narrow depressions), dorsa (ridges), planitiae (plains), sulci (long parallel grooves), and rupes (cliffs) were titled after places. When all was said and done, 85 features on Enceladus had names. That's a lot of things to label. So as you can see they got a little name happy for this moon, but that just led them to detailing it even more so it may have just worked out that way for them. 7. Shooting Into Space In 2005 something rather special was found out about Enceladus. Specifically, NASA’s Cassini spacecraft discovered that icy water particles and gas gush from the moon’s surface at approximately 800 miles per hour. Not something you'd expect from a moon. From a planet? Yes. But a moon? Not so much. But it wasn't just that it was shooting into space, it was doing so at quite a rate to where it was actually reaching the outer layers of the moon, so much so that it supplies material to Saturn's E-ring. Only a small fraction of the material ends up in the ring, however, with most of it falling like snow back to the moon’s surface, and that is a big reason why the moon is such a bright color of white. A curious thing indeed, "filling" up a ring with some of the plume, and making the moon bright white with the other. Again, not something you'd expect from a moon. The water jets come from relatively warm fractures in the crust. Several gases, including water vapor, carbon dioxide, methane, perhaps a little ammonia and either carbon monoxide or nitrogen gas make up the gaseous envelope of the plume, along with salts and silica. Just as curious to those studying it, the gasses are much denser than they first guessed. Adding more mystery to everything involved. If you're curious how these plumes really form, that's because there is an ocean in Enceladus that supplies the jets. Which is important to note because now scientist are trying to study the E ring of Saturn in order to study the waters of the moon. Within the ice droplets that make it to the E ring are peculiar nanograins of silica, which can only be generated where liquid water and rock interact at temperatures above about 200 degrees Fahrenheit (90 degrees Celsius). What does that all mean? It means that hydrothermal vents might be underneath the moons surface. ------------------------------------------------------------------- "If You happen to see any content that is yours, and we didn't give credit in the right manner please let us know at: Lorenzovareseaziendale@gmail.com and we will correct it immediately" "Some of our visual content is under a Attribution-ShareAlike license. (https://ift.tt/1jttIpt) in it’s different versions such as 1.0, 2.0, 3,0 and 4.0 – permitting comercial sharing with attribution given in each picture accordingly in the video." Credits: Ron Miller Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/Esa Credits: Flickr #InsaneCuriosity #Enceladus #TheSolarSystem
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