Up until a beautiful May evening in 2019 at Hawaii’s Keck Observatory, Sagittarius A* (Sgr A*), the Milky Way’s central supermassive black hole was usually a passive flickering object that appeared like a massive, dormant volcano or a sleeping monster. But suddenly Sgr A*, located twenty-five thousand light years from Earth, brightened 75-fold. “The black hole is always variable,” observed astronomer Tuan Do, “but this was the brightest we’ve seen in the infrared so far. It was probably even brighter before we started observing that night!” 
“The black hole was so bright I at first mistook it for the star S0-2, because I had never seen Sgr A* that bright,” Do said in an interview with ScienceAlert.

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Maxwell Moe , Riccardo Arcodia , Andrea Merloni , Perimeter Institute , Max Planck Institute For Extraterrestrial Physics , Legacy Imaging Surveysd Lang Perimeter Institute , University Of Arizona , Max Planck Society , Keck Observatory , Milky Way , Max Planck Institute , Extraterrestrial Physics , Repeatingx Ray Eruptions , Newtonx Ray , Daily Galaxy , Galaxy Report , மேக்ஸ்வெல் மோ , சுற்றளவு நிறுவனம் , பல்கலைக்கழகம் ஆஃப் அரிசோனா , கேக்க் கண்காணிப்பு , பால் வழி , வேற்று கிரக இயற்பியல் , தினசரி விண்மீன் , விண்மீன் அறிக்கை ,