X-ray Echoes Create Black Hole Bull’s-eye
![This animated GIF shows rings of X-rays, shown in red, that expand away from a central white dot, like a bullseye target.](https://science.nasa.gov/wp-content/uploads/2023/09/rings_1080-GIF-detail.gif?w=4096&format=png)
July 9, 2015
Credit | Andrew Beardmore (Univ. of Leicester) and NASA/Swift |
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Historical Date | July 9, 2015 |
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NASA's Neil Gehrels Swift Observatory imaged rings of X-ray light centered on V404 Cygni, a binary system containing an erupting black hole (dot at center), with its X-ray Telescope from June 30 to July 4, 2015. The dark lines running diagonally through the image are artifacts of the imaging system.
More information: https://svs.gsfc.nasa.gov/11948