The Longest Lived Mystery: A 19 Day Radio Signal from the Sun's Core The Sun has been behaving erratically lately.
On August 21, 2025, a mysterious radio signal burst forth from its core and persisted for an astonishing 19 days. This unprecedented event has left scientists scrambling to understand its causes and implications.
One of the most intriguing aspects of this phenomenon is its sheer duration. Typically, solar radio bursts are short lived events that fade within hours or days at most.