Long-running lunar mission reveals moon’s surprises
After 7 years, orbiter team asks NASA for two more
MOON MOUNTAINS A 15-kilometer-wide complex of mountains rises 2 kilometers above the center of Tycho Crater on the moon in this 2011 picture from the Lunar Reconnaissance Orbiter.
LRO/GSFC/NASA, Arizona State Univ.
Not all cosmic mysteries lie light-years away. Some secrets are being unearthed on our nearest neighbor, about a quarter of a million miles from home.