Star Talk: Variable Stars – Action in the Sky
“Variable Stars: Action in the Sky”, presented by John Percy, Professor Emeritus of the Department of Astronomy & Astrophysics, and Dunlap Institute Abstract: Stars aren’t changeless and boring. They may eclipse, pulsate (vibrate), flare, erupt, or even explode. These processes cause the stars to vary in brightness over time and, by studying these variations, we…
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