Category: Exploring Mars

Color mosaic of Olympus Mons

Mosaic of the Martian Olympus Mons volcano and its surrounding plains made from two color composites using the following Viking 1 Orbiter images:f735a41 and f735a42 (violet), f735a45 and f735a46 (green), f735a47 and f735a48 (red). These...


Olympus Mons caldera

This mosaic of 22 Viking 1 Orbiter images (f473s13/17/19/21/23/25/27/29, f474s17/19, and f474s21 to 32), taken on July 11 and July 12, 1980, shows the complex caldera at the summit of Olympus Mons. South is at...


Ascraeus Mons caldera

Ascraeus Mons is the northernmost of three shield volcanoes (known as the Tharsis Montes) near the equator of Mars. Its complex caldera (volcanic crater) is composed of several discrete centers of collapse, where the older...