The Genesis Rock — How Old Is Old
The Genesis Rock from Apollo 15 has been dated: 4.5 billion years old. As old as the Moon itself. This is the oldest rock any human being has ever held.
Read the full entry
Tag: anorthosite
The Genesis Rock
Dave Scott and Jim Irwin may have found the most important rock ever collected — an anorthosite fragment they're calling the Genesis Rock, estimated to be 4 billion years old. It's a piece of the original lunar crust, from when the Moon was still forming. I've been a space program…
Read the full entry
Why the Highlands Now
The last three Apollo missions are going to the highlands — the old, heavily cratered terrain that makes up most of the lunar surface. Here's why that matters scientifically.
Read the full entry