mardi 24 avril 2012
Olympus Mons from orbit
Here we have an orbital sight on the oversize volcano as a ship is entering the atmosphere down there.
Olympus Mons summit is 26 km above the surrounding plains, its caldera (crater) has a 60-80 km diameter and 3 km high cliffs. (Wikipedia)
This montage is based on a beautiful mosaic of 12 images from NASA's Viking orbiter 1 taken in 1980 and assembled by artist Daniel Macháček in 2011. You can see Daniel's series of high resolution mosaics here.
(Made with The Gimp on Linux-Ubuntu)