Yesterday, February 8 (19:15)
NASA published a remarkable photograph of Tethys, where it seems that this moon of Saturn hovers between … two planes rings surrounding the home planet. Of course, rings lie in one plane and are visible above Tethys. What you see below is the moon … the shadow of the rings on the surface of Saturn.
/ NASA / JPL-Caltech / Space Science Institute / press materials
Tethys is the fifth-largest moon of Saturn with a diameter slightly in excess of 1000 kilometers. Its density is slightly less than the density of water, suggesting that the moon is made mostly of ice from a possible small amount of rock. He argues about the relatively high reflectance of visible radiation. The average temperature of its surface is about -187 degrees Celsius.
The Cassini spacecraft captured this photo 23 November 2015 from a distance of about 65,000 kilometers. The painting was in visible light with the help of wide-angle camera.
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