ExoMars 2020 Update: ESA Chooses Second Landing Site Candidate For Mars Rover Mission

When the ExoMars rover lands on the surface of the red planet in 2021, it will do so in either Oxia Planum or Mawrth Vallis. The European Space Agency (ESA) announced Tuesday that it had whittled down the list of possible landing sites for the mission to the two locations that previous observations suggest contained water in the planet’s early history.