Spirit

On Jan 26th, 2274 Mars days into the mission, NASA declared Spirit a "stationary research station" , expected to stay operational for several more months until a dust buildup on its solar panels forces a final shutdown.

This is such a sad cartoon. It reminds me of Laika, the first dog that was sent into space. From wiki: "Laika died four days after launch from overheating, possibly due to a failure of the central R-7 sustainer to separate from the payload. The true cause and time of her death was not made public until 2002; instead, it was widely reported that she died when her oxygen ran out, or (as the Soviets initially insisted) she was euthanised prior to oxygen depletion. "