Alien Planet Discovery a Puzzle --Accepted Theory Says "It Can't Exist"
"Earth Calling" --A 'YouTube' for Messaging Advanced Extraterrestrial Life

"The Great Attractor" --Is Something is Pulling Our Region of the Universe Towards a Colossal Unseen Mass?


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A busy patch of space has been captured in the image below from the NASA/ESA Hubble Space Telescope. Scattered with many nearby stars, the field also has numerous galaxies in the background. Located on the border of Triangulum Australe (The Southern Triangle) and Norma (The Carpenter’s Square), this field covers part of the Norma Cluster (Abell 3627) as well as a dense area of our own galaxy, the Milky Way.

The Norma Cluster is the closest massive galaxy cluster to the Milky Way, and lies about 220 million light-years away. The enormous mass concentrated here, and the consequent gravitational attraction, mean that this region of space is known to astronomers as the Great Attractor, and it dominates our region of the Universe.




he largest galaxy visible in this image is ESO 137-002, a spiral galaxy seen edge on. In this image from Hubble, we see large regions of dust across the galaxy’s bulge. What we do not see here is the tail of glowing X-rays that has been observed extending out of the galaxy — but which is invisible to an optical telescope like Hubble.

Observing the Great Attractor is difficult at optical wavelengths. The plane of the Milky Way — responsible for the numerous bright stars in this image — both outshines (with stars) and obscures (with dust) many of the objects behind it. There are some tricks for seeing through this — infrared or radio observations, for instance — but the region behind the center of the Milky Way, where the dust is thickest, remains an almost complete mystery to astronomers.




Recent evidence from the European Space Agency's Atacama Desert telescopes in Chile appears to contradict the "great attractor" theory. Astronomers have theorized for years that something unknown appears to be pulling our Milky Way and tens of thousands of other galaxies toward itself at a breakneck 22 million kilometers (14 million miles) per hour. But they couldn’t pinpoint exactly what, or where it is.

A huge volume of space that includes the Milky Way and super-clusters of galaxies is flowing towards a mysterious, gigantic unseen mass named mass astronomers have dubbed "The Great Attractor," some 250 million light years from our Solar System.

The Milky Way and Andromeda galaxies are the dominant structures in a galaxy cluster called the Local Group which is, in turn, an outlying member of the Virgo supercluster. Andromeda--about 2.2 million light-years from the Milky Way--is speeding toward our galaxy at 200,000 miles per hour.

This motion can only be accounted for by gravitational attraction, even though the mass that we can observe is not nearly great enough to exert that kind of pull. The only thing that could explain the movement of Andromeda is the gravitational pull of a lot of unseen mass--perhaps the equivalent of 10 Milky Way-size galaxies--lying between the two galaxies.

Meanwhile, our entire Local Group is hurtling toward the center of the Virgo Cluster (image above) at one million miles per hour.

The Milky Way and its neighboring Andromeda galaxy, along with some 30 smaller ones, form what is known as the Local Group, which lies on the outskirts of a “super cluster”—a grouping of thousands of galaxies—known as Virgo, which is also pulled toward the Great Attractor. Based on the velocities at these scales, the unseen mass inhabiting the voids between the galaxies and clusters of galaxies amounts to perhaps 10 times more than the visible matter.

Even so, adding this invisible material to luminous matter brings the average mass density of the universe still to within only 10-30 percent of the critical density needed to "close" the universe. This phenomena suggests that the universe be "open." Cosmologists continue to debate this question, just as they are also trying to figure out the nature of the missing mass, or "dark matter."

It is believed that this dark matter dictates the structure of the Universe on the grandest of scales. Dark matter gravitationally attracts normal matter, and it is this normal matter that astronomers see forming long thin walls of super-galactic clusters.

Recent measurements with telescopes and space probes of the distribution of mass in M31 -the largest galaxy in the neighborhood of the Milky Way- and other galaxies led to the recognition that galaxies are filled with dark matter and have shown that a mysterious force—a dark energy—fills the vacuum of empty space, accelerating the universe's expansion.

Astronomers now recognize that the eventual fate of the universe is inextricably tied to the presence of dark energy and dark matter.The current standard model for cosmology describes a universe that is 70 percent dark energy, 25 percent dark matter, and only 5 percent normal matter.

We don't know what dark energy is, or why it exists. On the other hand, particle theory tells us that, at the microscopic level, even a perfect vacuum bubbles with quantum particles that are a natural source of dark energy. But a naïve calculation of the dark energy generated from the vacuum yields a value 10120 times larger than the amount we observe. Some unknown physical process is required to eliminate most, but not all, of the vacuum energy, leaving enough left to drive the accelerating expansion of the universe.

A new theory of particle physics is required to explain this physical process.The new "dark attractor" theories skirt the so-called Copernican principle that posits that there is nothing special about us as observers of the universe suggesting that the universe is not homogeneous. These alternative theories explain the observed accelerated expansion of the universe without invoking dark energy, and instead assume we are near the center of a void, beyond which a denser "dark" attractor pulls outwards.

In a paper appearing in Physical Review Letters, Pengjie Zhang at the Shanghai Astronomical Observatory and Albert Stebbins at Fermilab show that a popular void model, and many others aiming to replace dark energy, don’t stand up against telescope observation.

Galaxy surveys show the universe is homogeneous, at least on length scales up to a gigaparsec. Zhang and Stebbins argue that if larger scale inhomogeneities exist, they should be detectable as a temperature shift in the cosmic microwave background—relic photons from about 400,000 years after the big bang—that occurs because of electron-photon (inverse Compton) scattering.

Focusing on the “Hubble bubble” void model, they show that in such a scenario, some regions of the universe would expand faster than others, causing this temperature shift to be greater than what is expected. But telescopes that study the microwave background, such as the Atacama telescope in Chile or the South Pole telescope, don’t see such a large shift.

Though they can’t rule out more subtle violations of the Copernican principle, Zhang and Stebbins’ test reinforces Carl Sagan's dictum that "extraordinary claims require extraordinary evidence."

The Daily Galaxy via PhysRevLett.107.041301 and



It is similar to ''down the drain you go ''.

-- James Ph. Kotsybar

Could inflation have done more than we know,
shortly after the Big Bang’s first salvo,
and created a dense matter halo
beyond the horizon where we can go?

Beyond the horizon that we can see,
is there a remote possibility
of a most massive field of gravity
that pulls the strings of our reality?

Perhaps it’s just dense matter that’s the source,
accelerating expansion perforce,
and not some new and mysterious force,
or change of gravity’s attractive course,
as though we are bound by a black hole’s skin,
that stretches space to surface dimension.

Pay more attention to the phrase, '…observable Universe…’. It is becoming clearer is that we on earth probably live in a fractally distributed ‘existence’ - our solar system in our galaxy, in its local group, in its cluster,…drifting towards a “great attractor” which is likely part of its own parent fractal segment and so on. When will we humans evolve from our ego-centered view of the great beyond a begin to appreciate the grandeur of our space-time and focus on living beautifully and knowingly with ourselves and our planet.

It seems like every time I read about the Great Attractor, it has different (and sometimes contradictory) properties.

I've been wondering for a while if maybe the GA is a fourth class of black hole. Physicists have already classified microscopic black holes, stellar black holes, and supermassive black holes; could this be what I guess we'd call an "epic" black hole? If a stellar BH is from a single collapsed star and a SMBH is from several together, an EBH could be from an entire galaxy of them.

On the other hand, I'd imagine the gravity and other properties of such a beast would probably make it detectable as such, even if its event horizon was only a couple of light-years in diameter.

Perhaps someone with more knowledge of physics than I have could comment on this hypothesis. Editor's Note: Bob, several physicists have proposed "Galaxy-sized" black holes. Perhaps....?

I have always felt a theory that there must some equal and opposite reaction to the event we call the big bang was worth discussing. The idea that this made up non detectable matter and evergy called dark matter and dark energy causing the expansion. I would sooner believe there to be a ultra massive event in reverse to the big bang. Equal action and reaction.

If you consider what we are and the brief period we've been around, it seems silly that we should base our theories about an infinite universe on our flawed perception of what is “known”.

Isn't it much easier to consider that our so-called Big Bang is simply a locally phenomenon? Given our primitive abilities at this point our thoughts about the infinite seem child-like. Yet, we try out simple best to understand the little bubble that surrounds us, which we call the universe.

What if they actually revolve? What if Milky Way revolves around M87? What if M87 (and all of Virgo Supercluster) revolves around the Great Attractor? Perhaps there is some order here.

The astronomers Burbidge proposed a collapsing and expanding universe which is more agreeable than the BB.

Probably a Strange Attractor as described in Chaos Theory......either that or the Universe has sexual dimorphism and the attractor is female ;*p

With all the galaxies moving toward the Great Attractor, eventually they will all collapse into a singularity and the Big Bang will happen all over again. Of course this will take another 100 billion years.

Could it be that there is something wrong in our calculations on gravity in large scales? Could it behave somewhat differently? Can more gravity enhance the force of existing gravity exponentially? I know there is theories that is trying to describe Dark Matter in some kind of similar way. Anyway... Im only human...

Matter is the ash of pure energy, particles come and go creating pure energy, cyclicaly...

... I just want to know what happens when all of these galaxies like ours finally reach their end destination at the Great Attractor (GR-Crunch). I thought we were mostly on track for a cold death as the Universe expands, but now it seems we are being recombined to some reverse big bang event in the future. If all particles were once compressed into the space of what would fit on the head of a pin before the big bang, we are maybe all connected to each other in some big/unknown way that then the Universe would cycle from big bang to great attractor crunch to start all over again. Maybe this idea of quantum entanglement is somehow connecting all particles that have mass to each other in ways we still don't understand because they all started as one single (big, yet small size) particle that is not distracted by distance. I guess Steven Hawking was good at thinking backwards to come up with the Big Bang theory... who is the next Steven H. to think of the end of this same story and tell us where/what/how the universe will end up when we all meet up in the GR-Crunch? Or clusters of super GR's.

The Great Attractor is one known such object pulling on countless galaxies, but not all of them? There might be more.

I heard once that it might be the part of our universe that is connected to another universe; not in any form that could travelled through, but on higher dimensions it connects us to another universe. It would explain how so much mass could be attracted to a common known place that has more mass than anything else in the universe. We know that space is expanding and while we are "moving" towards the Great Attractor, at the current speed we'll never reach it because space will just keep getting stretched out over time.

So here is my thought following this train of thought above and linking it to the Big Bang as well as idea of the Multiverse. You could in theory sum up the entire universe and it's dimensions and define it as a single point. This point would lay in the higher dimensions of the multiverse, and we are surrounded in 3 more dimensions by other universes. These universes pull on each other, stretching them out and then eventually when they "snap back" they start pulling on the other surrounding universes and expanding them to the point where they can no longer expand and ours can no longer contract. The point where the "snap back" takes place is where you'll not only find the Big Bang, but multiple Bangs in multiple universes...repeating itself over and over and over again.

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