Tuesday, 10 December 2019

Earth's Changing Ice


Meltwater lakes form on the surface of Greenland’s Petermann Glacier. via NASA https://ift.tt/35jfLJ3

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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 ...