News tagged with supermassive black hole

Radio weak blazars

A blazar is a galaxy whose central nucleus is bright at wavelengths from the low energy radio band to high energy gamma rays (each gamma ray photon is over a hundred million times more energetic than the X-rays seen by the ...

dateJan 30, 2017 in Astronomy
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Hubble gazes into a black hole of puzzling lightness

The beautiful spiral galaxy visible in the center of the image is known as RX J1140.1+0307, a galaxy in the Virgo constellation imaged by the NASA/ESA Hubble Space Telescope, and it presents an interesting puzzle. At first ...

dateJan 13, 2017 in Astronomy
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Black holes hide in our cosmic backyard

Monster black holes sometimes lurk behind gas and dust, hiding from the gaze of most telescopes. But they give themselves away when material they feed on emits high-energy X-rays that NASA's NuSTAR (Nuclear Spectroscopic ...

dateJan 08, 2017 in Astronomy
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