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Ahead of Equinox, Satellite Images Show Changing Angle of Sun Over Course of Year

The vernal equinox, which marks the start of spring in the northern hemisphere, was set to occur at 5:24 pm Eastern Time on March 20.

On the day, an animation based on satellite images was released by the National Oceanic and Atmospheric Administration, showing the shifting angle of the sun over the past 12 months, from the last spring equinox to the brink of this year’s. Credit: NOAA via Storyful

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