Portal:Mars/Selected article/December 2007
From Wikipedia, the free encyclopedia
Olympus Mons (Latin, "Mount Olympus") is the tallest known volcano and mountain in our solar system. It is located on the planet Mars at approximately . Before space probes confirmed its identity as a mountain, Olympus Mons was known to astronomers as the albedo feature, Nix Olympica ("Snows of Olympus"); since the late 19th century, however, it had been suspected that it was mountainous.
