MessageToEagle.com -
It is an exotic and distant object, which has a velocity of recession of approximately 270,000 kilometers per second (!) or - 91 percent of the velocity of
light itself.
The results show that this quasar, known as Q1442+101, is among exotic objects receding from the Milky Way at tremendous velocities of thousands
and occasionally even hundreds of thousands of kilometers per second!
In the last several decades, astronomers have discovered a large variety of strange and faraway objects radiating with enormous power by observing
and measuring redshifts in the spectra from them.
It is estimated that the quasar is located at a distance of 10.63 billion light years from Earth (which means that the light now reaching us from
it has been traveling twice as long as our solar system has been in existence.)
If the Q1442+101 and other quasars radiate equally in all directions, they must shine with power on the order of 100 trillion trillion trillion (1038) kilowatts.
This is about 10,000 times the entire radiated power of our Milky Way galaxy.
Quasars are now generally believed to be the most luminous type of active galactic nuclei.
The light from them has reached us from a very long ago, so in principle, it can provide us with information about the state of
the universe billions of years in the past.
A startling feature of the quasars is that their intensity often fluctuates in short intervals, sometimes days.
Artist impression of a quasar
Astronomers believe that the energy source of the quasars is confined to small regions extending only to a few light-days in diameter.
(For comparison - our solar system is approximately 11 light-hours across).
How can such enormous amounts of power be generated in such confined regions?
The emission of large amounts of power from a small region needs a power source significantly more efficient than the nuclear
fusion which powers stars!
For a long time astronomers and astrophysicists speculated that multiple star collisions, chain reactions of supernovas or perhaps
giant pulsars could be responsible for this phenomenon.
Now, they know that the release of gravitational energy by matter falling towards a massive black hole is the only process known
that can generate such high power continuously.
However, it does mean that all secrets related to quasars are solved.
It will certainly take time to learn more about them.
@ MessageToEagle.com
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MessageToEagle.com -
It is an exotic and distant object, which has a velocity of recession of approximately 270,000 kilometers per second (!) or - 91 percent of the velocity of
light itself.
The Arecibo Telescope in Puerto Rico has discovered sporadic bursts of polarized radio emission from the T6.5 brown J1047+21.
This alien intruder from another galaxy is in many ways different from other exoplanets observed by astronomers.
The 3C294, is one of the most distant galaxies recorded by Chandra, the most sophisticated X-ray observatory ever built.
The cluster 3C294 is even 40 percent farther (!) than the next most distant x-ray galaxy cluster.
Chandra focus on X-rays from high-energy regions of the Universe and see the invisible.
It is so sensitive that it can capture images of particles as they disappear into a black hole deep in outer space.
