Supermassive black hole, illustration. X-ray observations have revealed the structures surrounding this supermassive black hole, which is at the core of a distant active galaxy. This galaxy (known as 1H0707-495) is partially obscured from view, but can be observed using radiation that penetrates the intervening clouds of gas and dust. A black hole is formed when a massive object collapses under the force of its own gravity, increasing the gravitational pull to the point where, beyond a boundary known as the event horizon, nothing, not even light, can escape. Supermassive black holes are much larger and are typically found at the centre of galaxies. Image published in 2009. | |
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Credit: | Science Photo Library / Carreau, C. / ESA |
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