Planetary Exploration on Earth

From NASA's Earth Observatory:

Planetary Exploration on Earth

In June 2015, a team of scientists, journalism students, and an astronaut conducted a geological field study similar to what future astronauts might have to do when they first land on the Moon or Mars. Read more at http://earthobservatory.nasa.gov/IOTD/view.php?id=86044&src=fb

#eartheveryday