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EN_01408720_0781
XMM-Newton's 20th anniversary in space. On 10 December, ESA's XMM-Newton X-ray space observatory is celebrating its 20th launch anniversary. In those two decades, the observatory has supplied a constant stream of outstanding science. One area that the mission has excelled in is the science of black holes, having had a profound effect on our understanding of these cosmic enigmas. Black holes are celestial objects so dense that nothing, not even light, can escape their pull. In this artist's impression, the weird shapes of light around the black hole are what computer simulations predict will happen in the vicinity of its intense gravitational field. Although neither XMM-Newton nor any other telescope can actually see black holes in this detail, the mission's data and observations have provided a great source of information about these mysterious gravitational traps. In particular, XMM-Newton has been particularly good at isolating the X-rays given out by high-temperature, ionised atoms of iron as they swirl towards doom in the black hole. The X-rays given out from the iron contain information about the geometry and dynamics of the black hole. In 2013, XMM-Newton was used to measure such emission in order to study the rotation rate of the supermassive black hole at the centre of the spiral galaxy NGC 1365. Supermassive black holes, with masses between millions and billions of times the mass of our Sun, are thought to lurk in the centre of almost every large galaxy in the Universe. Their rotation rate is important because it can give away important details about the history of their host galaxy. A fast rotating black hole is fed by a uniform stream of matter falling together, or by galaxies merging with one another, whereas a slowly rotating black hole is buffeted from all sides by small clumps of matter hitting it. In the case of NGC 1365, XMM-Newton showCredit: ESA / eyevine Contact eyevine for more information about using this image: T: +44 (0) 20 8709 8709 E:
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2019-11-14
ESA / eyevine/Eyevine/East News
Eyevine
ESA / eyevine
EV_XMM-Newton_s_20th_anniversary_in_space
1,59MB
31cm x 17cm by 300dpi
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