Tuesday, 5 April 2022

Cold as (Dry) Ice


Every winter, a layer of carbon dioxide frost (dry ice) forms on the surface of Mars. via NASA https://ift.tt/Sb23lZW

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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 ...