Mercury's had some work done: Volcanic facelift belies its true age
Wednesday, September 11, 2013 - 12:01
in Paleontology & Archaeology
Mercury is looking good for its age.Even the oldest parts of the surface of the planet closest to the sun are only 4 billion to 4.1 billion years old, not 4.5 billion years old — the age at which the planet formed, a new study finds."If the oldest surface visible on Mercury is 4 billion or 4.