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Solar walk on nw 8th street9/4/2023 SN 2023ixf is a Type II supernova caused by the core collapse of a massive star. "I had great views of the supernova through my EVscope Equinox 2," he says. "The supernova was easily visible in my telescope despite the bright lights of the city," reports Terence Murtagh. Turns out, that's bright enough to see from downtown London. Veles of Kyiv, Ukraine from Apollo Lasky of Naperville, ILĪ SUPERNOVA IN LONDON: A week after it exploded in a spiral arm of the Pinwheel Galaxy (M101), new supernova SN 2023ixf has finally peaked in brightness at magnitude +11. A full-fledged flare may not be far behind. Opposite polarities bump together, reconnect, and-boom. A single Ellerman bomb releases about 1026 ergs of energy-equal to about 100,000 World War II atomic bombs.Įxplosions like these are a sign of magnetic complexity in a sunspot. They are named after physicist Ferdinand Ellerman who studied the tiny blasts in the early 20th century. A handful are circled above for reference. These are Ellerman bombs-magnetic explosions about one-millionth as powerful as true solar flares. Maximilian Teodorescu photographed the fast-growing active region yesterday and found it crackling with bomb-blasts: Now it is the biggest and most dangerous sunspot on the solar disk. ![]() Solar flare alerts: SMS TextĮLLERMAN BOMBS: At the beginning of the week, sunspot AR3315 didn't exist. This could herald a period of geoeffective solar activity in June. Helioseismic maps reveal the active region about 10 days away from turning toward Earth. Neutron counts from the University of Oulu's Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining-a result of the yin-yang relationship between the solar cycle and cosmic rays.įARSIDE SUNSPOT: There's a sunspot on the farside of the sun so large, it is affecting the way the whole sun vibrates. Credit: SDO/HMIĬosmic Rays Solar Cycle 25 is intensifying, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Sunspot AR3315 has continued to grow, becoming the largest and most dangerous sunspot on the solar disk.
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