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Mathematician: Planck data disappoints multiverse claims

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File:Soapbubbles1b.jpg
soap bubbles/Timothy Pilgrim

But the dream can’t be allowed to die.

From one of our math favourites, Peter Woit of Columbia U (who is not a creationist), re the recent data from the Planck Space Telescope, here:

For about as long as I can remember, string theorists and multiverse fans have been pointing to Planck data as the test of their ideas. For cosmic strings, the last Planck data release had a paper ruling them out. I don’t see a paper on this topic out or projected for the new data, it seems that this is now something not even worth looking for.

We’ve also been hearing for years that Planck will test supposed evidence of bubble collisions indicating other universes, see for instance this article about this paper, where the article states that

Data from the Planck telescope should resolve the question once and for all.

I don’t see anything in the new data even looking for this. Has it already been ruled out, without any publicity, or did the Planck people think it was something not worth even looking for?

And check out the comments too, for example, despite the negative findings, the BBC report was

… “Multiverse, multiverse, multiverse.”

The multiverse is a classic in a problem we’ve noted before: In a culture dominated by naturalism, the cultural needs of naturalism submerge science as traditionally understood.

The fact that there is no evidence for the multiverse means far less than a science or math rigorist might hope. The goal becomes not assessing the evidence but producing what looks like evidence—or, when all else fails, continuing to promise to provide evidence.

See also: In search of a road to reality

How we got at your to this point (cosmology).

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Comments
Diogenes @5
There are a bunch of multiverse hypotheses. Not just one. Some make predictions about observable quantities and are testable. Some maybe not. The multiverse may also be a deduction, i.e. if there’s an inflaton and it’s governed by quantum indeterminacy, then inflation goes on forever, and the multiverse would be (if the assumptions are correct) an inescapable deduction, whether or not you can see it. While deductions may or may not be testable, theories are. Multiverses can be one or the other; they can also be just speculation.
Well either way, it's bad news for the Multiverse hypotheses. A deduction sounds really impressive until you realize it is all built on untestable assumptions and therefore has the same unfalsifiable problem it would seem. The BICEP2 data has proven to be an embarrassment for believers in this hypothesis and now the Planck data looks unpromising as well. What in the world is a dedicated Materialist supposed to do? In what should he turn to now for hope? I'm sure the answer will be the same as always. IF they give up on the multiverse, which I doubt they will, but if they do, I'm sure they will simply resort to some hoped for future discovery to temporarily bail out their faith.tjguy
February 13, 2015
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Yes BA77, and there are no inflation/multiverse models that would explain the cosmic alignment. Many cosmologists and physicists hope this alignment is just coincidence - which it could be. But a very unlikely coincidence. Some were hoping it was dust or something screwing up the observations. But it first was revealed by COBE then reconfirmed by WMAP and now confirmed again by PLANCK. This cosmic "Axis of Evil" is NOT scientifically popular. It screws up inflation/multiverse and might get "Creationists" all excited by putting Earth in a special vantage point.ppolish
February 13, 2015
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Silver Asiatic:
Evidence supporting the claims can be falsified while the claims themselves are not.
What the hell does that mean? "Evidence supporting the claims"? You mean testable predictions of a theory, right? There are a bunch of multiverse hypotheses. Not just one. Some make predictions about observable quantities and are testable. Some maybe not. The multiverse may also be a deduction, i.e. if there's an inflaton and it's governed by quantum indeterminacy, then inflation goes on forever, and the multiverse would be (if the assumptions are correct) an inescapable deduction, whether or not you can see it. While deductions may or may not be testable, theories are. Multiverses can be one or the other; they can also be just speculation. O'Leary has repeatedly and falsely written that there is one multiverse, it's just speculation, and she ignores the testable theories and the inescapable deductions, calling it all speculation. She says it's non-falsifiable (which would be true of untestable speculations, but not true of all versions of the hypotheses) and then she turns right around and says it's falsified by observations. Orwellian logic. But let's look again at what you wrote.
Evidence supporting the claims can be falsified while the claims themselves are not.
Is that statement falsifiable or just speculation? Why should I believe it?Diogenes
February 13, 2015
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ppolish, besides,,, Why is the solar system cosmically aligned? BY Dragan Huterer - 2007 The solar system seems to line up with the largest cosmic features. Is this mere coincidence or a signpost to deeper insights? Caption under figure on page 43: ODD ALIGNMENTS hide within the multipoles of the cosmic microwave background. In this combination of the quadrupole and octopole, a plane bisects the sphere between the largest warm and cool lobes. The ecliptic — the plane of Earth’s orbit projected onto the celestial sphere — is aligned parallel to the plane between the lobes. http://www-personal.umich.edu/~huterer/PRESS/CMB_Huterer.pdf let's not forget this too: Is there a violation of the Copernican principle in radio sky? - Ashok K. Singal - May 17, 2013 Abstract: Cosmic Microwave Background Radiation (CMBR) observations from the WMAP satellite have shown some unexpected anisotropies (directionally dependent observations), which surprisingly seem to be aligned with the eclipticcite {20,16,15}. The latest data from the Planck satellite have confirmed the presence of these anisotropiescite {17}. Here we report even larger anisotropies in the sky distributions of powerful extended quasars and some other sub-classes of radio galaxies in the 3CRR catalogue, one of the oldest and most intensively studies sample of strong radio sourcescite{21,22,3}. The anisotropies lie about a plane passing through the two equinoxes and the north celestial pole (NCP). We can rule out at a 99.995% confidence level the hypothesis that these asymmetries are merely due to statistical fluctuations. Further, even the distribution of observed radio sizes of quasars and radio galaxies show large systematic differences between these two sky regions. The redshift distribution appear to be very similar in both regions of sky for all sources, which rules out any local effects to be the cause of these anomalies. Two pertinent questions then arise. First, why should there be such large anisotropies present in the sky distribution of some of the most distant discrete sources implying inhomogeneities in the universe at very large scales (covering a fraction of the universe)? What is intriguing even further is why such anisotropies should lie about a great circle decided purely by the orientation of earth's rotation axis and/or the axis of its revolution around the sun? It looks as if these axes have a preferential placement in the larger scheme of things, implying an apparent breakdown of the Copernican principle or its more generalization, cosmological principle, upon which all modern cosmological theories are based upon. http://arxiv.org/abs/1305.4134 Here is a blurb on 'The Principle': Does the Universe Revolve Around Earth? - The Principle - video Excerpt: three probes of this radiation all showed the same proof that the universe and its galaxies appear to be arrayed around Earth and the Milky Way. "All of the radiation which comes from everywhere in the universe - there's no place we don't see it - it's all coming toward us and aligned with us," Sungenis said.,,, there is provable design in the universe and Earth's at the center of it - like what scientists found with the 2005 Sloan Digital Sky Survey of all the visible cosmos. "As far out as we could see in the universe the galaxies were aligned in concentric spheres around - guess what - Earth, or our galaxy," http://m.cbn.com/cbnnews/healthscience/2014/October/Film-Shocker-Does-the-Universe-Revolve-Around-Earth-/bornagain77
February 13, 2015
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The "fact" the speaker says needs explaining is the "Axis of Evil". This fact is a "dirty little secret" that gets overshadowed by the Multiverse fiction. http://www-personal.umich.edu/~huterer/PRESS/CMB_Huterer.pdf There is a movie out in limited release called "The Principle" that highlights this alignment.ppolish
February 13, 2015
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Diogenes Evidence supporting the claims can be falsified while the claims themselves are not.Silver Asiatic
February 13, 2015
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This shows up the lie of O'Leary's repeated claims that multiverse hypotheses (should be PLURAL Denyse) are not testable. O'Leary yesterday: Multiverse not falsifiable! O'Leary today: Multiverse falsified! O'Leary tomorrow: Multiverse not falsifiable!Diogenes
February 13, 2015
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