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Working MST -- Martian Standard Time

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Working MST -- Martian Standard Time

Science

Working MST — Martian Standard Time

Mars Scientists Set Their Watches, and Lives, to Alien Clock

Working MST -- Martian Standard Time

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  • <iframe src="https://www.npr.org/player/embed/1805866/1806157" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A day on Mars is 39 minutes longer than a day on Earth. NASA hide caption

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NASA

Working around the clock is tiring enough on Earth. But on Mars, it's even worse.

The martian day, called "Sol", is 39 minutes longer than a day on Earth. For NASA's two robotic rovers, the longer day makes little difference. But for scientists and engineers operating the rover, the longer day becomes a nightmare. NPR's Joe Palca explains why.