10 Years Over the Red Planet

On March 10, 2006,* the Mars Reconnaissance Orbiter arrived at the fourth planet from the Sun and took up orbit there. Forty-five thousand orbits and 10 years later, it has provided us humans back on Earth with a revolution in the way we think about Mars. It's almost impossible to list all the accomplishments of MRO over the past decade. It's shown us how wet Mars was in the past, and how that's affected the surface today. Images have shown how diverse the environment there is, helped map out la...