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Astronomers explain extreme superflares of red giant KIC 2852961

Original: Astronomers have identified the physical mechanisms driving the extreme stellar activity observed in KIC 2852961, a red

Astronomers have identified the physical mechanisms driving the extreme stellar activity of KIC 2852961, a red giant star whose superflares do not fit standard evolutionary models. Drawing on long-term observations from NASA's Kepler space telescope, the team says the findings shed new light on how such colossal energy releases can occur on evolved stars, challenging existing assumptions about stellar behaviour.

Why now: New research offers an explanation for superflares that standard stellar models could not account for.

KIC 2852961NASAKepler space telescope

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Evidence

• Astronomers have identified the physical mechanisms driving the extreme stellar activity observed in KIC 2852961, a red giant star that produces superflares inconsistent with standard evolutionary models. By synthesizing long-term observations from NASA’s Kepler space telescope… · aishaahmed1994

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