
Curtis Flack (left) and Paul von Hardenberg inspect the ice formation on the spinner of an Advanced Air Mobility proprotor model tested in the Icing Research Tunnel at NASA’s Glenn Research Center in Cleveland. via NASA https://ift.tt/6DEV5W3
The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period on Feb. 24, 2015. While some of the s...
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