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Spectroscopy

Spectroscopy

Spectroscopy-03-01-2003
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2003 ? The Year of Mars (PDF)

Two orbiting spacecraft are already gathering information about Mars, and another orbiter and three surface landers are ready for launch ? all this in a year when the red planet will be closer to Earth than it has been since prehistoric times.

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Robert Ewing of the Pacific Northwest National Laboratory. | Photo Credit: Will Wetzel
Robert Ewing of the Pacific Northwest National Laboratory. | Photo Credit: Will Wetzel