![A rather large M 3.6–class flare occurred near the edge of the sun on Feb. 24, 2011](https://appel.nasa.gov/wp-content/uploads/2011/05/523312main_week43-monster-orig_full-670x380.jpg)
Solar Dynamics Observatory Lessons Affirmed
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By Brent Robertson and Michael Bay It is always exciting watching something launch into space. It is even more thrilling when the launch is the culmination of many years of work.