When the Apollo 14 astronauts returned samples from the moon's surface, they probably didn't realize that they were reuniting Earth with a bit of its early history.
원문출처 : https://www.cnn.com/2019/01/24/world/earth-oldest-rock-moon/index.html
원문출처 : https://www.cnn.com/2019/01/24/world/earth-oldest-rock-moon/index.html