
In this image from Sept. 5, 1983, Guion “Guy” Bluford checks out the sample pump on the continuous flow electrophoresis system experiment in the middeck of the Earth-orbiting space shuttle Challenger. via NASA https://ift.tt/zjEOdXq
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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