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Robot on Mars running out of juice

The team expects it to become inoperable by December, completing its mission on the red planet. The stationary lander arrived on Mars almost four years ago to measure seismic activity. He achieved his scientific goals after just over two years, so he has been on an “extended mission” ever since. Recently, however, the power supply has clearly decreased because the two 2.2 meter wide solar modules are covered with increasingly dense dust.

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