Opportunity is one of two rovers that NASA launched to explore the planet Mars, the other Spirit. Landing on the Red Planet in 2004, Spirit sent fantastic images and videos of natural events and features of Mars. Unlike its twin, Opportunity is still functioning.
1 day after people Opportunity continues to explore Mars, sending information that will never be seen on Earth.
1 year after people Opportunity's wheels stop functioning, and is stuck in the Endeavour Crater.
2 years after people Opportunity shuts down due to its solar cells are covered with dust from Martian dust storms.
1 million years after people Opportunity has suffered minimal damage from Martian dust storms, but the rover is still recognizable, but it's buried under the Martian surface. Since Mars's atmosphere doesn't contain any water, corrosion doesn't occur, allowing Opportunity to outlast anything manmade on Earth.