It's not much to look at, but Selenean Summit, indicated by the red arrow, is the tallest spot on the Moon. Scientists used readings from laser altimeters plus stereo images for lunar orbiters to measure the elevation of the entire lunar surface. This spot, on the lunar farside, is 35,387 feet above the average elevation. [NASA/GSFC/Arizona State University]
Find out more in our radio program entitled Moon and Antares.