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<span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important">You can see ten years of the solar cycle in this video. The variation from maximum to minimum is amazing.</span></div>
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<span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important">Bruce</span></div>
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<span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important">W1LUS</span></div>
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<span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important">NASA's<span> </span></span><a href="https://sdo.gsfc.nasa.gov/" target="_blank" rel="noopener noreferrer" style="margin: 0px; font-family: arial, helvetica, sans-serif; color: blue; background-color: rgb(255, 255, 248)">Solar
Dynamics Observatory</a><span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important"><span> </span>has been consistently taking pictures of the sun -- one every three-quarters
of a second -- across a number of different wavelengths. Images of the extreme ultraviolet wavelength of 17.1 nanometers reveals the sun's corona, and hourly corona pictures have been combined into a<span> </span></span><a href="https://www.nasa.gov/feature/goddard/2020/watch-a-10-year-time-lapse-of-sun-from-nasa-s-sdo" target="_blank" rel="noopener noreferrer" style="margin: 0px; font-family: arial, helvetica, sans-serif; color: blue; background-color: rgb(255, 255, 248)">time-lapse
movie of the last decade of solar activity, condensed into about 60 minutes</a><span style="color: rgb(32, 31, 30); font-family: arial, helvetica, sans-serif; background-color: rgb(255, 255, 248); display: inline !important">. </span><br>
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