Tuesday, 4 September 2018

Summer Ship Tracks in the Pacific


Long, narrow clouds, known as ship tracks, stood out against the backdrop of marine clouds blanketing much of the North Pacific Ocean. via NASA https://ift.tt/2PxiKFk

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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 ...