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Wednesday, February 21, 2018

Published the most precise in the history of images of Saturn’s rings


The American space Agency NASA has made with extremely small distances and, as a consequence, the most detailed images of the largest of Saturn’s rings. The photographs can, in particular, to see the small eddies and waves, sometimes called “propellers” and is still of interest to scientists.


photo: pixabay.com

“Cassini” — automatic interplanetary station launched on 15 October 1997 and arrived at Saturn on 30 June 2004. The mission has been extended several time, and presents the images obtained in the framework of its penultimate stage — Ring-Grazing Orbits (“Orbits concerning the rings”).

The resolution of the presented images reaches 550 meters per pixel. “Propellers”, which probably created under the influence of undiscovered satellites of the planet, can be found on some earlier pictures. However, in the first frame, where they can be seen, they were so fuzzy that it is not immediately attracted the attention of, even professionals. New photos are reported to allow you to see the unusual phenomenon of all the details and the “comfortable angle”.

The rings of Saturn are a system of flat concentric formations of ice and dust, located in the Equatorial plane of the gas giant, and ice water is about 99 percent of them. The size of some of the material particles is measured in micrometers, while the other is in centimeters, and occasionally even the feet. On the origin of the rings experts still argue.

Recently the center of attention of Internet users were other pictures Cassini, taken from orbit of Saturn. Turned out to be possible to examine in detail the hexagonal vortex raging in the upper atmosphere above the North pole of the planet.

Space station will make several orbits around the planet, and then “drown” in it, thus completing its work. The final phase of the mission called “the Final Opera” (Grand Finale), which was selected by voting of the visitors of the website NASA.

source

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