How our galaxy's monster black hole was captured

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* supermassive black hole at the core of the Milky Way galaxy. -- Milky Way vs M87: Event Horizon Telescope photos show 2 very different monster black holes: https://www.space.com/milky-way-m87-black-holes-compared-eht Credit: Caltech