Cassini’s view of Titan on July 4, 2015 七月 7, 2015 由 觀察空間 分享此文: Cassini captured this image of Titan on July 4, 2015 using its IRP0 and CB3 filters. That bright speck on the upper left might be Pandora, 土星的衛星之一. 信用: NASA / JPL / SSI / @ ObservingSpace Flickr的鏈接: Titan 分享此文: