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The Bridge: Discuss an Astronomy Picture of the Day • APOD: AR 3664: Giant Sunspot Group (2024 May 11)

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Are red dwarfs particularly rich in sunspots, and is that why they are so active?
They are more than rich I think, instead of flares occurring as local phenomena as on the surface of the Sun, with some M dwarfs it's the entire star that flares! I remember a funny excerpt from James Kaler's Extreme Stars where he describes a person sun-bathing or dwarf-M-bathing on a beach and suddenly the sun gets ten times brighter in minutes!

Statistics: Posted by Christian G. — Sat May 11, 2024 6:03 pm — Replies 12 — Views 316



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