Today is National Teacher Day! NASA astronaut Ricky Arnold was a science teacher at John Hanson Middle School in Waldorf, Maryland. via NASA https://go.nasa.gov/2Jk0109
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A Brief Outburst
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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This image of the Andromeda galaxy uses data from NASA’s retired Spitzer Space Telescope. Multiple wavelengths are shown, revealing stars (...
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An astronaut aboard the International Space Station took this oblique photograph of the Sulaiman Mountains in central Pakistan. The range r...
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This image of Jupiter’s iconic Great Red Spot and surrounding turbulent zones was captured by NASA’s Juno spacecraft. The color-enhanced im...
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