First spotted by the Voyager spacecraft thirty years ago, it wasn’t until Cassini that the linear features criscrossing Saturn’s moon Dione known as “wispy lines” were confirmed to be the icy faces of high cliff walls rising hundreds of feet from the moon’s frozen surface. Possibly caused by tectonic activity Dione’s cliff walls shine brightly…
Tag: cliffs
Frozen Cliffs
One of the newest raw images from Cassini’s latest flyby shows the icy terrain of Saturn’s moon Dione, with steep hills, ridges and the bright face of one of the many deep canyons that meander across its surface. Known as “wispy lines”, these canyon walls expose bright water ice (that makes up about a quarter…
Lights in the Dark 