Thursday, 19 September 2019

Layers in Mars' Danielson Crater


This image shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the southwest Arabia Terra region of Mars. via NASA https://ift.tt/2LCWPNJ

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Midwestern City Lights

City lights from the midwestern United States to the East Coast sparkle across the landscape a couple of hours before sunrise. via NASA http...