View Full Version : Ancient Martian Volcano Caldera

2006-Jun-12, 10:24 PM
This image, taken by ESA's Mars Express spacecraft, shows Apollinaris Patera, an ancient volcano caldera near Gusev Crater on Mars. The massive volcano measures 180 by 280 kilometres (112 by 174 miles) at its base and rises 5 km (3 miles) above the surrounding terrain. The bluish-tinted haze are thin clouds above the rim of the caldera.

Read the full blog entry (http://www.universetoday.com/2006/06/12/ancient-martian-volcano-caldera/)