On some Mars images, Olympus Mons does not look dramatic at first glance. It sits there quietly, a wide pale rise against rust coloured plains. No sharp peak. No obvious violence. Only when scale is ...

On some Mars pictures, Olympus Mons may not appear dramatic at first glance. It rests there calmly, a broad whitish elevation against rust-coloured lowlands. No steep peaks. There is no visible ...