NASA Telescope Spots ‘Cosmic Fireworks’ and Faint Echo from Milky Way’s Supermassive Black Hole

Astronomers have spotted flashes and echoes coming from the supermassive black hole at the heart of the Milky Way, Sagittarius A* (Sgr A*). These “cosmic fireworks” and X-ray echoes can help scientists better understand the dark, quiet cosmic titan around which our galaxy orbits.

The Michigan State University team of researchers made the groundbreaking discovery by digging through decades of data from NASA’s NuSTAR telescope (NuSTAR). The nine large flares the team discovered coming from Sgr A* were picked up by NuSTAR, which has been observing the cosmos in X-rays since July 2012. These signals had not previously been picked up by astronomers.

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