Hubble-universe
Alleged history of the Universe (from wikipedia)

The big bang model, used to describe the observations made in the universe, according to its advocates, now precisely has determined the history of the Universe. See left graphic. Yet to do so it is filled with unproveable fudge factors. That may sound like an exaggerated claim but it seems to be the state of cosmology today. (This article was edited and updated from my article ‘Cosmology is not even astrophysics,’ originally published 3 December 2008, creation.com.)

This situation has come about because of the unverifiable starting assumptions are inherently wrong! Some brave physicists have had the temerity to challenge the ruling paradigm—the standard big bang ΛCDM inflation cosmology.1 One of those is Prof. Richard Lieu, astrophysicist, of the Department of Physics, University of Alabama, who wrote:2

Cosmology is not even astrophysics: all the principal assumptions in this field are unverified (or unverifiable) in the laboratory … .’ [emphasis added]

In an online paper,2 Lieu writes that,

‘because the Universe offers no control experiment, i.e. with no independent checks, it is bound to be highly ambiguous and degenerate.’

He means that the same observations can be interpreted in several different ways. This seems a fair analysis, because ‘cosmologists’ today are inventing all sorts of stuff that has just the right properties to make their theories work, but stuff that has never been observed in the lab.

They have become ‘comfortable with inventing unknowns to explain the unknown,’ he says.

Dark Matter and Dark Energy

Pie
Alleged mass/energy content of universe. Cosmologist have changed their fractions of the mass/energy content of the Universe since this graphic was made. From June 2013 they claim 68% dark energy, 27% dark matter and 5% normal atomic matter.

Cosmologists tell us we live in a universe filled with invisible, unobserved stuff—74% dark energy and 22% dark matter. But what is this stuff that we cannot detect yet should be all around us?  Only 4% of the matter/energy content of the Universe is supposed to be ordinary atoms that we are familiar with.

In June 2013, after the release of the first results from the Planck satellite, the fractions of dark energy and dark matter were significantly changed to 68% dark energy and 27% dark matter, leaving 5% normal atomic matter. See More Dark Matter: First Planck Results, June 18, 2013.

Yet we are told that now we are in a period of precision cosmology.11 But we see a total disagreement between the determination of these fractions from high redshift supernova measurements and Planck CMB measurements. Even the claimed errors do not help the values to coincide. See Table I and Fig. 1 in A missing neutrino–dark radiation.

For 40 years, one form or another of dark matter has been sought in the lab, for example the axion (named after a popular US brand of laundry detergent, because they thought its discovery would clean up some problems with particle physics).  I have myself looked a putative dark matter particle—the paraphoton—a WISP (Weakly Interacting Slim Particle) not a WIMP (Weakly Interacting Massive Particle)—in a lab experiment over the past 4 years without success. Recently a claim was made of detection in a lab experiment but that claim would need rigorous verification. See Does the claimed ‘find’ of dark matter end the ‘big bang’ crisis?

Long before that, scientists invoked dark matter to explain puzzling dynamics in the solar system, such as the hypothetical planet Vulcan hiding behind the Sun to account for the discrepancy with the orbit of the planet Mercury. But Einstein solved the astronomical problem of that day with his general theory of relativity. What was needed was new physics and not some unseen dark matter. Is this the same today?  See also Has dark matter really been proven?

Now we also have dark energy that is supposedly driving the universe apart at an even faster pace than in the past. On 30 May 2004 Physicsworld.com reported3

‘New evidence has confirmed that the expansion of the universe is accelerating under the influence of a gravitationally repulsive form of energy that makes up two-thirds of the cosmos.

‘It is an irony of nature that the most abundant form of energy in the universe is also the most mysterious. Since the breakthrough discovery that the cosmic expansion is accelerating, a consistent picture has emerged indicating that two-thirds of the cosmos is made of “dark energy”—some sort of gravitationally repulsive material.’ [emphasis added]

Apparently dark energy is a confirmed fact. But does the evidence confirm the universal expansion is accelerating? They are right about the irony, that although this energy is so abundant it cannot be observed locally in the laboratory. In 2011 the Nobel Prize in Physics was awarded for the discovery of the accelerating universe, which means dark energy must be real stuff (yeah right!), but it has no correspondence to anything we know in the lab today. So that makes no sense.

So does this accurately sum up the state of the Universe today? Or does the Emperor need new clothes?

Lieu says,

‘ … astronomical observations can never by themselves be used to prove “beyond reasonable doubt” a physical theory. This is because we live in only one Universe—the indispensible “control experiment” is not available’.

There is no way to interact with and get a response from the Universe to test the theory under question, like an experimentalist might do in a laboratory experiment. At most the cosmologist collects as much data as he can and uses statistical arguments to try to show that his conclusion is likely.

Lieu again,

‘Hence the promise of using the Universe as a laboratory from which new incorruptible physical laws may be established without the support of laboratory experiments is preposterous … ’ [emphasis added]

Unknowns to explain unknowns

Lieu lists five evidences where cosmologists use ‘unknowns’ to explain ‘unknowns’, and hence he says they are not really astrophysicists. Yet these evidences are claimed to be all explained (and in the case of the Cosmic Microwave Background (CMB)4 radiation even predicted5) by the ΛCDM inflation model. None of them are based on laboratory experiments and they are unlikely to be ever explained this way. They are:

  1. redshift of light from galaxies, explained by expansion of space,6
  2. Cosmic Microwave Background radiation, explained as the afterglow of the Big Bang,
  3. perceived motion of stars and gases in the disks of spiral galaxies,7 explained by dark matter,
  4. distant supernovae8 being dimmer than they should be hence an accelerating universe, explained by dark energy,
  5. flatness (space has Euclidean geometry) and isotropy (uniformity in all directions),9 explained by inflation.10

The ‘unknowns’ in the lab (meaning not known to physics today) are listed in bold type.

As an experimentalist, I know the standards used in so-called ‘cosmology experiments’ would never pass muster in my lab. Yet it has been said we are now living in the era of ‘precision cosmology’.11

Cosmologist Max Tegmark said,

” … 30 years ago, cosmology was largely viewed as somewhere out there between philosophy and metaphysics. You could speculate over a bunch of beers about what happened, and then you could go home, because there wasn’t a whole lot else to do.”[But now they are closing in on a] “consistent picture of how the universe evolved from the earliest moment to the present.”11

How can that be true if none of Lieu’s five above listed observations can be explained by ‘knowns’? They have been explained by resorting to ‘unknowns’ with the sleight of hand that allows the writer to say ‘we are closing in on the truth.’

What This Leads To

I recall Nobel Laureate Steven Chu speaking to a large gathering of high school children on the occasion of the Australian Institute of Physics National Congress at the Australian National University in Canberra in 2005. He said that we now understand nearly all there is to know about the Universe, except for a few small details like what is dark energy and dark matter, which [allegedly] make up 96% of the stuff in the Universe.

Well, the cosmologists may have their planned objectives, to shore up their faith in a model that is based on false and unverifiable assumptions, but it is leaky bucket that cannot hold back the evidence that ultimately will be published against it.

The fact is that the history of the universe cannot be determined from a model which cannot be independently tested.  And many fudge factors are needed for the model to describe the observations. The Big Bang cosmology is verified in the minds of those who already hold to that belief—that the Universe created itself about 14 billion years ago—ex nihilo. To me the biblical big picture is far more believable—only we are left to fill in the details.

References

  1. ΛCDM = cold dark matter cosmology with a non-zero cosmological constant, that also involves a rapid Inflation stage to smooth out the clumpiness of the early density variations and solve numerous other problems, including the lack of monopoles etc. See footnote 9 for further details, and Lisle, J., Light-travel time: a problem for the big bang, Creation 25(4):48–49, 2003.
  2. Lieu, R., ΛCDM cosmology: how much suppression of credible evidence, and does the model really lead its competitors, using all evidence? 17 May 2007, PDF available at http://arxiv.org/pdf/0705.2462v1.pdf
  3. See physicsworld.com/cws/article/print/19419
  4. CMB=cosmic microwave background radiation. See also Hartnett, J.G., ‘Light from the big bang’ cast no shadows, December 16, 2014.
  5. But for the logical and scientific fallacies of this claim, see Sarfati, J., Nobel Prize for alleged big bang proof, 7–8 October 2006.
  6. The metric expansion of space is the increase of the distance between two distant parts of the universe with time. It is an intrinsic expansion whereby the scale of space itself is changed. That is, a metric expansion is defined by an increase in distance between parts of the universe even without those parts “moving” anywhere.
  7. The speeds of gases (and stars) in the outer regions of the disk in spiral galaxies are inferred from Doppler line redshifts or blueshifts and they don’t obey Kepler’s laws of motion as predicted by Newton’s law of gravitation. Because those ‘speeds’ are anomalous I use the word ‘perceived’ here as it is an interpretation of the observational data, yet I am not saying it is an unreasonable one, but that it is unproven.
  8. Supernova = exploding star. A certain class, type Ia, is used as a standard light source to measure distance in the cosmos.
  9. Flatness describes the fact that all we ever measure in the universe is Euclidean. This is a cosmological fine-tuning problem, where the force of the big bang expansion matched the force of gravity to one part in 1060. Furthermore, since the Universe has departed from the needed critical density over cosmic time it must have been closer to perfect flatness soon after the big bang. Another problem is the horizon problem which has to do with the fact that light has not had enough time since the big bang to travel between what should be causally coherent regions of the visible universe, which means they are not causally connected (i.e. beyond the ‘horizon’). For example, light from diametrically opposite side of the Universe. Then why is it isotropic, generally the same in every direction we look. This is particularly true for the temperature of CMB radiation where we see the same thing—the Universe is isotropic, the same in all directions to within about 1 part in 105. This is called the smoothness problem and it is even more incredible because as the Universe expanded the isotropy supposedly lessened, starting at the level of 1 part in 1040.
  10. Inflation is the extremely rapid exponential expansion of the early universe by a factor of at least 1078 in volume, driven by a negative-pressure vacuum energy density. The inflationary epoch comprises the first part of the electroweak epoch following the grand unification epoch. It lasted from 10−36 seconds after the big bang to sometime between 10−33 and 10−32 seconds. Following the inflationary period, the universe continued to expand, but at a slower rate.
  11. See for example, Ellis, R., New age of precision cosmology, physicsworld.com, 1 July 1999; Primack, J.R., Precision Cosmology, New Astron.Rev. 49:25–34, 2005;  Tegmark M., Precision Cosmology, MIT World, 7 June 2008.

Additional Reading

2 responses to “Big Bang Fudge Factors”

  1. How do you explain the bullet cluster observations without dark matter? How do you explain the fact that the density of dark matter derived from microlensing data matches that obtained by analysis of the CMB [edited], matching again the typical numbers required to explain galaxy rotation curves? Do you refute all observational evidence from outer space, or just the evidence that doesn’t match your world view? Is there hydrogen in space for example? How is the existence of dark matter unverifiable when we have already observed its gravitational interactions, and we could probe its particle properties in a range of experiments?

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    1. //How do you explain the bullet cluster observations without dark matter?//

      The bullet cluster analysis revolves around analysis of what is supposed to be two interacting masses, where it is claimed on the basis of gravitational lensing that the dark matter content (which cannot be seen with electromagnetic radiation) is separated from the visible (baryonic) matter. The baryons are the protons and neutrons, normal matter that we are familiar with. I have not made any analysis myself of this cluster, but should do so in future. But suffice to say this at this point, the conclusions drawn from the analysis are circular. Standard cosmology is assumed in the analysis, ie absolute magnitudes etc are calculated assuming standard model parameters, which include dark matter and dark energy. Microlensing is used as a tool to calculate the spatial positions of the invisible matter. (As a side note, Halton Arp has suggested lensed images are actually not due to gravitational lensing but ejection phenomena.) But the point is that the ‘dark matter’, an ‘unknown’ (not detected in any laboratory experiment) is only inferred by use of a cosmological tool ‘lensing’, which is also unverified by any other means.

      //How do you explain the fact that the density of dark matter derived from microlensing data matches that obtained by analysis of the CMB [edited], matching again the typical numbers required to explain galaxy rotation curves?//

      The typical halo dark matter density, derived from galaxy rotation curves, is about 85% of the matter content of spiral galaxies, which means about 15% is baryonic matter which I agree roughly matches what they ‘measured’ from the CMB anisotropy analysis. But the dark matter density inferred in large clusters of galaxies and in super-clusters is such that the entire cluster is meant to be nearly all dark matter. Baryonic matter then is only a tiny fraction. That does not match. And the required dark matter density distribution inside the spiral galaxies must be cusp-like but that makes no sense. The dark matter must reside in the spherical halo where its needed to solve the rotation curve problem, but not fall into the gravitational well of the galaxy centre. This is called the Cuspy Halo problem. It just creates another problem. Don’t forget we cannot see any dark matter, it is totally undetectable with any form of electromagnetic radiation. It is only inferred from the motion of the gasses in the outer disk regions.

      Besides looking at the large scale correlations of the universe via the CMB data of both WMAP and Planck satellites it has been shown that on large scales the microwave background is not (statistically) isotropic but rather is correlated within itself and to solar system geometry, even the equinoxes. This has resulted in the now famous Axis of Evil.

      //Do you refute all observational evidence from outer space, or just the evidence that doesn’t match your world view?//

      I refute no observational evidence from the cosmos at all. It is the interpretations I caution about. I am not the only one who does that. Even Lawrence Krauss has argued against the BICEP2 results being definitive evidence of inflation.

      //Is there hydrogen in space for example?//

      Hydrogen can be detected by electromagnetic radiation. It has been detected on Earth, and in the solar system. It is normal baryonic matter, not some made-up stuff that is needed to keep the standard cosmology from being discarded.

      //How is the existence of dark matter unverifiable when we have already observed its gravitational interactions, and we could probe its particle properties in a range of experiments?//

      We don’t observe it, that is the point. It’s existence is only inferred by the dynamics of some other particles AND the cosmology being used. There are others who offer alternative cosmologies (e.g. Carmeli), or alternate new physics to explain the same phenomena (e.g. MOND). Hence there is no unique theory, but a plethora, which try to explain the same data. That is cosmology’s problem—in that sense, it is not science. No, we can’t probe the particle properties of something that does not interact with, or couple to, or mix with normal matter or electromagnetic radiation. I think you mean ‘simulate’ in some computer model. That is not probing like in a repeatable lab experiment. If you mean a lab experiment then it must first be detected on Earth, and searches have been going on a long time now to no avail.

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