For context, for an 5ft 7in observer standing on the ground on Earth, the horizon is at a distance of 2.9 miles. Olympus Mons and its neighbours in the Tharsis region stand high enough to reach ...
But in the distant past, it was a tumultuous planet ... That's how mission managers got the panorama below. Olympus Mons seen on the horizon by Odyssey spacecraft. Credit: NASA/JPL-Caltech/ASU ...