NASA’s Messenger space probe that provided hundreds of thousands of photos for 11 years sadly ended its journey. The probe’s primary focus was solving Mercury’s many mysteries, but on April 30 at 3:26 p.m. EDT, the probe ran out of fuel and crashed into Mercury. Messenger crashed on the planet’s far side which prevented viewing from Earth.

The impressive probe traveled 8.73 billion miles and revolved around the sun 32.5 times. One of its major findings is supposed large ice caps in Mercury’s polar regions. Messenger’s field work has come to an end but the road to finding all of Mercury’s secrets with this newly obtained information is a long one.