On September 3, 1976, spacecraft Viking 2 landed on Mars. The unmanned spacecraft took the first close-up, color photos of the planet's surface. The craft operated until April 11, 1980. That's pretty good battery life.
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From @scavengerfolk
On September 3, 1976, spacecraft Viking 2 landed on Mars. The unmanned spacecraft took the first close-up, color photos of the planet's surface. The craft operated until April 11, 1980. That's pretty good battery life.