Mysterious, intense blasts of radio energy have been detected from within our own galaxy, astronomers have said. Fast radio bursts, or FRBs, last only a fraction of a second but can be 100 million times more powerful than the Sun. Despite their intensity, their origin remains largely unknown.
https://www.independent.co.uk/life-style/gadgets-and-tech/radio-burst-fast-galaxy-milky-way-b1590956.html
origin - https://www.pipiscrew.com/2020/11/mysterious-radio-signal-is-coming-from-inside-our-galaxy-scientists-announce/ mysterious-radio-signal-is-coming-from-inside-our-galaxy-scientists-announce