... During the descent, the spacecraft's camera recorded successive images of the diminutive world's surface, revealing fractured boulders, dust filled craters, and a mysterious collapsed channel. Blue Saturn . ... The image has been adjusted to approximate the natural blue color of visible sunlight scattered by the gas giant's upper atmosphere. ... Heat Shield Impact Crater on Mars . ... Not everything seen on the night sky is understood. ... An artificial star. ... The Radio Sky: Tuned to 408MHz . ...