As we look back into the history of our landscape, a much older history lies above us.
Space Scene
Kate Rubins, the only current American astronaut in space could end up voting for president from the International Space Station.
We call that commitment!
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They might look like trees on Mars, but they're not. Groups of dark brown streaks have been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes covered with light frost. The above image was taken in 2008 April near the North Pole of Mars. At that time, dark sand on the interior of Martian sand dunes became more and more visible as the spring Sun melted the lighter carbon dioxide ice. When occurring near the top of a dune, dark sand may cascade down the dune leaving dark surface streaks.
Space Scene
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