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A Streamlined Form in Lethe Vallis, Mars
This image shows a portion of Lethe Vallis, an outflow channel that also transported lava. This is one of only a few places on Mars where these pristine-appearing landforms have been identified. The channel formed by catastrophic floods, during which it produced the prominent crater-cored, teardrop-shaped island in the middle.
from NASA Image of the Day http://ift.tt/2c6qZ6U
via IFTTT
from NASA Image of the Day http://ift.tt/2c6qZ6U
via IFTTT
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