Photograph of Saturn and its satellites Tethys (outer top left), Enceladus (inner top left) and Mimas (bottom right). It was taken by Voyager 1 on October 30, 1980 from a distance of 18 million kilometres (11 million miles). The soft, velvety appearance of the lowcontrast banded structure and increased reflection of blue light near the perimeter of the Saturn disk are due to scattering by a haze layer above the planets cloud deck. Features larger than 350 kilometres (220 miles) are visible . The projected width of the rings at the centre of the disc is 10,000 kilometers (6,000 miles), which provides a scale for estimating feature sizes on the image.