CHANDRA X-RAY OBSERVATORY / NASA / SCIENCE PHOTO LIBRARY CHANDRA X-RAY OBSERVATORY / NASA / SCIENCE PHOTO LIBRARY
Galactic centre. Coloured Chandra X-ray telescope image of the centre of our galaxy, the Milky Way. The bright white/yellow patch in the centre of the image is an X-ray flare released by material falling towards the Sagittarius A* radio source. Sagittarius A* is believed to be a supermassive black hole, a star that has collapsed under its own gravity. It is thought to have a mass of around 2.6 million times that of the Sun. Matter falling towards Sagittarius A* is thought to fuel energetic activity at the galactic centre.
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