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The supermassive black holes are getting closer:
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 Telescope Array) mission can detect. That's how NuSTAR recently identified two gas-enshrouded supermassive black holes, located at the centers of nearby galaxies. "These black holes are relatively close to the Milky Way, but they have remained hidden from us until now," said Ady Annuar, a graduate student at Durham University in the United Kingdom, who presented the results at the American Astronomical Society meeting in Grapevine, Texas. "They're like monsters hiding under your bed."
Both of these black holes are the central engines of what astronomers call "active galactic nuclei," a class of extremely bright objects that includes quasars and blazars. Depending on how these galactic nuclei are oriented and what sort of material surrounds them, they appear very different when examined with telescopes.
[...] Boorman led the study of an active galaxy called IC 3639, which is 170 million light years away. Researchers analyzed NuSTAR data from this object and compared them with previous observations from NASA's Chandra X-Ray Observatory and the Japan-led Suzaku satellite. The findings from NuSTAR, which is more sensitive to higher energy X-rays than these observatories, confirm the nature of IC 3639 as an active galactic nucleus. NuSTAR also provided the first precise measurement of how much material is obscuring the central engine of IC 3639, allowing researchers to determine how luminous this hidden monster really is. More surprising is the spiral galaxy that Annuar focused on: NGC 1448. The black hole in its center was only discovered in 2009, even though it is at the center of one of the nearest large galaxies to our Milky Way. By "near," astronomers mean NGC 1448 is only 38 million light years away (one light year is about 6 trillion miles).
(Score: -1, Troll) by Anonymous Coward on Tuesday January 10 2017, @08:00AM
Dark matter is real! according to faith based science.
(Score: 0) by Anonymous Coward on Tuesday January 10 2017, @10:15AM
I have had it up to about *here* with "faith-based" science, which in my mind is synonymous with superstition aka religion, which for all appearances to me has very little to show for edification of truth and everything to do with subjugating other people.
I do believe in God, and my observation so far is He loves order. Everything precisely in place. I do believe that if God has emotions like I do, He would really be pissed on how His name has been hijacked for use in dominating others. I do believe God loves a job well done, not whiny prayerheads begging Him to do it instead of doing it themselves. We are supposed to see what we have been given, be thankful for it, and practice good stewardship of what He has made, as that is why He caused us to be in the first place.
Exactly what God is is beyond my comprehension, however I feel the closest thing I know to represent God are the laws of physics. Very stern, unforgiving, rich in blessings if you respect them, and woe to those who do not.