NASAのインスタグラム(nasa) - 1月12日 02時48分

Mighty Saturn! It is easy to forget just how large Saturn is, at around 10 times the diameter of Earth. And with a diameter of about 72,400 miles (116,500 kilometers), the planet simply dwarfs its retinue of moons. One of those satellites, Tethys (660 miles or 1,062 kilometers across), is seen here at lower right. This view looks toward the sunlit side of the rings from about 8 degrees above the ring plane. The image was taken with the Cassini spacecraft wide-angle camera on March 7, 2015 using a spectral filter that preferentially admits wavelengths of near-infrared light centered at 752 nanometers.

Credit: NASA/JPL-Caltech/Space Science Institute

#nasa #astronomy #space #cassini #saturn #tethys #nasabeyond #science

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