Tuesday, 23 March 2021

Vision of a Stellar Ending


More than 11,000 years ago, a massive, supergiant star came to the end of its life. via NASA https://ift.tt/3lLvWb4

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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 ...