News tagged with black holes

Hubble sees a supermassive and super-hungry galaxy

This NASA/ESA Hubble Space Telescope image shows the spiral galaxy NGC 4845, located over 65 million light-years away in the constellation of Virgo (The Virgin). The galaxy's orientation clearly reveals the galaxy's striking ...

dateJan 11, 2016 in Astronomy
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Chandra finds supermassive black hole burping nearby

Evidence for powerful blasts produced by a giant black hole has been discovered using NASA's Chandra X-ray Observatory. This is one of the nearest supermassive black holes to Earth that is currently undergoing such violent ...

dateJan 05, 2016 in Astronomy
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Andromeda galaxy scanned with high-energy X-ray vision

NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has captured the best high-energy X-ray view yet of a portion of our nearest large, neighboring galaxy, Andromeda. The space mission has observed 40 "X-ray binaries"—intense ...

dateJan 05, 2016 in Astronomy
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No fireworks in the galactic center

The center of our Milky Way galaxy, about twenty-five thousand light years from Earth, is invisible to us in optical light because of the extensive amounts of absorbing, intervening dust. Radiation at many other wavelengths, ...

dateJan 04, 2016 in Astronomy
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Magnetic fields in powerful radio jets

Super-massive black holes at the centers of galaxies can spawn tremendous bipolar jets when matter in the vicinity forms a hot, accreting disk around the black hole. The rapidly moving charged particles in the jets radiate ...

dateDec 28, 2015 in Astronomy
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Einstein's Cross under the gravitational microlens

A Spanish research team has obtained measurements for the innermost region of a disc of matter in orbital motion around a supermassive black hole in the quasar known as Einstein's Cross (Q2237-0305). It constitutes the most ...

dateDec 23, 2015 in Astronomy
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