Thursday, 25 March 2021

Frosty Sand Dunes of Mars


A field of sand dunes occupies this frosty 5-kilometer diameter crater in the high-latitudes of the northern plains of Mars. via NASA https://ift.tt/3ciF6sn

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Webb Zooms into Helix Nebula

A new image from NASA’s James Webb Space Telescope of a portion of the Helix Nebula highlights comet-like knots, fierce stellar winds, and ...