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The words “black hole” might bring to mind an infinite darkness. But the area right around a black hole, called the accretion disk, is actually pretty bright, with matter compressing hotter and hotter into a glowing plasma as it is sucked in. And amid that maelstrom, there are even brighter areas—bursts of energy that astronomers call flares.
Scientists are trying to better understand what those flares are, and what they can tell us about the nature of black holes. This week in the journal Nature Astronomy, a group of researchers published a video that they say is a 3D reconstruction of the movement of flares around the supermassive black hole at the heart of the Milky Way.
Dr. Katie Bouman, an assistant professor of computing and mathematical sciences, electrical engineering and astronomy at Caltech in Pasadena, California, joins guest host Arielle Duhaime-Ross to talk about the research, and how computational imaging techniques can help paint a picture of things that would be difficult or impossible to see naturally.
Transcripts for this segment will be available the week after the show airs on sciencefriday.com.
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