On February 19,2008, images obtained by the HiRISE camera on the Mars Reconnaissance Orbiter showed a spectacular avalanche, in which debris thought to be fine-grained ice, dust, and large blocks fell from a high cliff.
Images obtained by the HiRISE camera on the Mars Reconnaissance Orbiter showed a spectacular avalanche-grained ice. This was on February 19,2008. Grained ice was dust. Debris thought to be fine in a spectacular avalanche. Large blocks fell from a high cliff. This was on February 19,2008.