Thursday, 9 June 2022

When Galaxy Clusters Collide


Galaxy clusters contain hundreds of galaxies and huge amounts of hot gas and dark matter. via NASA https://ift.tt/NUMQ6XE

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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 ...