
A Mercury-Redstone launch vehicle awaits test-firing in the Redstone Test Stand at NASA's Marshall Space Flight Center in Huntsville, Alabama in this photo from the late 1950s. via NASA https://ift.tt/ak8scHu
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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