NASA’s Mars Opportunity rover has been exploring the surface of the red planet for 15 years, though there are doubts about the future of its mission.
The US space agency plans to discuss the results of efforts to communicate with the rover today (Feb. 13) at 2pm US eastern time.
Opportunity has been unreachable for months after a planet-wide dust storm blocked out the sunlight that powers the rover’s batteries. Since the storm has settled, NASA has attempted to revive Opportunity—or Oppy as it has been nicknamed—to no avail.
Here’s a look back at its 15 years and 28 miles of exploration.