Silica is present in Martian soil that the Spirit Rover unintentionally turned up. The Spirit Rover, one of two planetary rovers operated by NASA on the planet Mars, has made an important, though unintentional discovery on the red planet, due to a wheel which has been inoperable on the rover has been making large gouges in the soil of Mars where ever it goes.
Silica is present in Martian soil that the Spirit Rover unintentionally turned up. The Spirit Rover, one of two planetary rovers operated by NASA on the planet Mars, has made an important, though unintentional discovery on the red planet, due to a wheel which has been inoperable on the rover making large gouges in the soil of Mars wherever it goes.
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