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| Fig. 1 According to ... |
"Dark energy" and/or "dark matter" are either the imagination, ignorance, or another "last frontier" of some quantum physicists (Small Brains Considered - 7).
They are like the once venerable Big Bang hypothesis and the growing "expansion or contraction" of the "universe" hypothesis.
And there are papers that question the hypothesis of the dark stuff (Heretics Deny The Dark Matter of Faith - 4) as well as papers that don't (Global QCD analysis and dark photons).
In other words, the polls are not completely accurate concerning which is and which is not "true science".
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| Fig. 2 "It could happen ..." |
If "dark energy" and "dark matter" are innate like "energy" and "matter" in the current "universe" then we can apply some timeworn science to them.
Fig 1 and Fig 2 are attempts to help us get the picture by showing dark energy as being outside of the visible photon spectrum as members of the "dark" (not visible light) ultraviolet, xray, or gamma ray, other "dark" energy spectrum.
Such as:
"In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic radiant energy.
Fig. 3 Mega-ranges Classically, electromagnetic radiation consists of electromagnetic waves, which are synchronized oscillations of electric and magnetic fields. In a vacuum, electromagnetic waves travel at the speed of light, commonly denoted c. There, depending on the frequency of oscillation, different wavelengths of electromagnetic spectrum are produced. In homogeneous, isotropic media, the oscillations of the two fields are on average perpendicular to each other and perpendicular to the direction of energy and wave propagation, forming a transverse wave.
Electromagnetic radiation is commonly referred to as "light", EM, EMR, or electromagnetic waves.
The position of an electromagnetic wave within the electromagnetic spectrum can be characterized by either its frequency of oscillation or its wavelength. Electromagnetic waves of different frequency are called by different names since they have different sources and effects on matter. In order of increasing frequency and decreasing wavelength, the electromagnetic spectrum includes: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays."
(Wikipedia). In a recent Dredd Blog post current "true science" formulas and constants were applied to current "established science" (The Photon Current - 17).
(A good understanding of photons is written here: "The Photon by The Physics Detective".)
One reason for this quandary may be that most electromagnetic photons within a wide array of energies is a type of "dark energy" (depending on the definition of 'dark'):
| photon type | wave length | frequency | e | e per mole | photons Per Mole | mass equivalent |
| gammaray | 1e-11 | 2.99792e+19 | 1.98645e-14 | 1.19627e+10 | 5.03412e+13 | 2.21022e-31 |
| xray | 1e-09 | 2.99792e+17 | 1.98645e-16 | 1.19627e+08 | 5.03412e+15 | 2.21022e-33 |
| ultraviolet | 1e-07 | 2.99792e+15 | 1.98645e-18 | 1.19627e+06 | 5.03412e+17 | 2.21022e-35 |
| visible | 5e-07 | 5.99585e+14 | 3.97289e-19 | 239253 | 2.51706e+18 | 4.42044e-36 |
| infrared | 0.0001 | 2.99792e+12 | 1.98645e-21 | 1196.27 | 5.03412e+20 | 2.21022e-38 |
| microwave | 0.1 | 2.99792e+09 | 1.98645e-24 | 1.19627 | 5.03412e+23 | 2.21022e-41 |
| radio | 10000 | 29979.2 | 1.98645e-29 | 1.19627e-05 | 5.03412e+28 | 2.21022e-46 |
The visible portion of the wide spectrum is small compared to the "dark" portion which is much wider (cf. Fig. 3).
Thus, we can ask is there more (Dark Photon Limits from Patchy Dark Screening of the Cosmic Microwave Background, Dark photon limits: A handbook, CERN says PDF, No sign of ghostly dark photons in afterglow of Big Bang)
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The previous post in this series is here.
What Next "tired dark energy?":
Dark photon blues lyrics ...
