Was there ever life on Mars? The fourth planet from the Sun is thought to have once been very similar to present-day Earth. Kids will revel in this expedition to the mysterious mountains, sand dunes, polar ice caps, craters, and canals of planet Mars.
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Was there ever life on Mars? The fourth planet from the Sun is thought to have once been very similar to present-day Earth. Kids will revel in this expedition to the mysterious mountains, sand dunes, polar ice caps, craters, and canals of planet Mars.
Read Less