(Image: ESA/DLR/FU Berlin/G. Neukum)
"For a four-billion-year-old volcano, Tharsis Tholus isn't looking half bad. This extinct Martian crag would dwarf most mountains on Earth and, though it's looking a little worse for wear due to the erosion and collapses that have occurred over the aeons, it's still standing tall.
This image of the giant peak was released yesterday by the European Space Agency. It is a composite of multiple photos taken by a high-resolution stereo camera aboard the Mars Express spacecraft in 2004, with different elevations shown in different colours."
Short Sharp Science / read more
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