Wednesday, 28 November 2018

The Dunes in Mars' Wirtz Crater


In Mars' Wirtz Crater, these dunes are likely active. via NASA https://ift.tt/2TXbOED

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NASA's Hubble Marks Way for Roman Space Telescope

A sinuous spiral galaxy (center) appears in the same field of view as a vivid gravitational lens (right corner) in this Hubble image. via NA...