The Fluorescing Universe and the Human Eye

The Fluorescing Universe and the Human Eye

Occasionally serendipity delivers a piece of information that crystallises a chain of thought that actually holds together [with surprising results].

The information delivered by serendipity was that a “positive electrical discharge” in a vacuum tube has “neither an infra-red spectrum nor a high temperature”.

… the positive electrical discharge in vacuum tubes, in which, as researches of K. Angstrom and R. W. Wood have shown, there is neither an infra-red spectrum nor a high temperature.

Appropriations expended, results reached, and present condition of the work of the Astrophysical observatory – Smithsonian Institution – 1902
https://archive.org/details/appropriationse00obsegoog

In the context of the theorised Electric Universe this suggests that if a celestial object only emitted ionising radiation [i.e. ultraviolet, x-rays and gamma-rays/cosmic rays] then it could simply be classified as an Electric Star.

At the other end of the spectrum if a celestial object only emitted infra-red radiation then it could be simply classified as a Cool Lump of Rock.

Neither of these extremes [Electric Star or Cool Lump of Rock] seem to be very attractive propositions for surface dwelling life forms [like humans].

Therefore, surface dwelling life forms [like humans] are best advised to seek out the middle ground where the celestial object emits visible light.

Electromagnetic Spectrum

https://en.wikipedia.org/wiki/Electromagnetic_spectrum

Furthermore, if the celestial object is emitting visible light then it is very likely that the celestial object is surrounded by an atmospheric gas [like air] that is fluorescing and possibly supports a surface liquid [like water] that is fluorescing.

Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation.

It is a form of luminescence.

In most cases, the emitted light has a longer wavelength, and therefore lower energy, than the absorbed radiation.

The most striking examples of fluorescence occur when the absorbed radiation is in the ultraviolet region of the spectrum, and thus invisible to the human eye, and the emitted light is in the visible region.

https://en.wikipedia.org/wiki/Fluorescence

Airglow (also called nightglow) is a faint emission of light by a planetary atmosphere. In the case of Earth’s atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight from the far side are removed.

https://en.wikipedia.org/wiki/Airglow

This is very much the case with Planet Earth where the atmosphere absorbs the majority of the incoming ultraviolet radiation from the Sun and emits [fluoresces] visible light.

The visible area is the range of electromagnetic radiation that is visible to the human eye.
It covers the wavelength spectrum between 380 nm and 780 nm.

http://www.zeiss.com/microscopy/en_de/products/spectrometer-modules/overview-wavelength-range-spectrometer.html

The solar irradiance spectrum

Variations of solar spectral irradiance from near UV to the infrared
M. Fligge, S.K. Solanki, J.M. Pap, C. Frohlich, Ch. Wehrli
Journal of Atmospheric and Solar-Terrestrial Physics 63 (2001) 1479–1487
http://www2.mps.mpg.de/dokumente/publikationen/solanki/j132.pdf

See: https://malagabay.wordpress.com/2013/04/15/why-the-sky-is-blue/

However, visible light is [necessary but] not sufficient to support human life.

Humans also need oxygen to breath, water to drink and food to eat.

But, it is fairly safe to assume that if the celestial object has oxygen and water then human food will be naturally abundant.

Therefore, as a first step, it would seem sensible for humans [and other surface dwelling creatures] to develop eyesight that is optimised for detecting the visible light emitted by fluorescing oxygen.

Oxygen Spectrum

Auroral light is mostly from electronically excited oxygen atoms.
Green radiation prevails at low altitudes and red at higher.

Atmospheric Optics – Glowing Gases – Aurorae
http://www.atoptics.co.uk/highsky/auror3.htm

Fascinatingly, the sensitivity of the medium and long cone cells in the human eye peak either side of the green oxygen emission line wavelength.

Oxygen

The cones are conventionally labeled according to the ordering of the wavelengths of the peaks of their spectral sensitivities: short (S), medium (M), and long (L) cone types.

These three types do not correspond well to particular colors as we know them.

https://en.wikipedia.org/wiki/Color_vision#Wavelength_and_hue_detection

A typical human eye will respond to wavelengths from about 380 to 750 nm.
..
A light-adapted eye generally has its maximum sensitivity at around 555 nm (540 THz), in the green region of the optical spectrum.

https://web.archive.org/web/20090422191556/http://en.wikipedia.org/wiki/Visible_spectrum

For humans, the visible spectrum ranges approximately from 380 to 740 nm, and there are normally three types of cones.

Cones are sensitive to a range of wavelengths, but are most sensitive to wavelengths near 555 nm

https://web.archive.org/web/20110211084926/http://en.wikipedia.org/wiki/Color_vision

As a second step, it would seem sensible for humans [and other surface dwelling creatures] to develop eyesight that is optimised for detecting the visible light emitted by fluorescing hydrogen because when hydrogen combines with oxygen it can form water [H2O].

Hydrogen Spectrum

Astronomy Know How – Hydrogen Alpha Explained
http://www.astronomyknowhow.com/hydrogen-alpha.htm

Fascinatingly, the sensitivity of the small cone cells in the human eye peak at the wavelength of the dark blue hydrogen emission line.

Hydrogen

The cones are conventionally labeled according to the ordering of the wavelengths of the peaks of their spectral sensitivities: short (S), medium (M), and long (L) cone types.

These three types do not correspond well to particular colors as we know them.

https://en.wikipedia.org/wiki/Color_vision#Wavelength_and_hue_detection

Therefore, it appears that human eyesight is very sensibly optimised to detect the visible light of fluorescing oxygen [green] and hydrogen [dark blue].

Furthermore, it can be argued that this sensitivity to fluorescing oxygen and hydrogen is a sensible attribute for any surface dwelling life form seeking refuge in a Fluorescing Universe.

Panspermia is a hypothesis proposing that microscopic life forms that can survive the effects of space, such as extremophiles, become trapped in debris that is ejected into space after collisions between planets and small Solar System bodies that harbor life.

Some organisms may travel dormant for an extended amount of time before colliding randomly with other planets or intermingling with protoplanetary disks.

If met with ideal conditions on a new planet’s surfaces, the organisms become active and the process of evolution begins.

Panspermia

https://en.wikipedia.org/wiki/Panspermia

See: https://malagabay.wordpress.com/2014/06/03/living-in-a-light-bulb/

Advertisements
Gallery | This entry was posted in Astrophysics, Atmospheric Science, Earth, Electric Universe, Science, Solar System, Water. Bookmark the permalink.

5 Responses to The Fluorescing Universe and the Human Eye

  1. gymnosperm says:

    Can our sun be an electric star even if it emits lots of IR?

  2. Tim, have you repeated a section above ?

  3. craigm350 says:

    Tim of interest? –

    VOLCANIC GAS CIRCUMNAVIGATES THE GLOBE:  Last month, on April 22nd, Chile’s Calbuco volcano erupted, blowing plumes of ash and sulfurous gas more than 50,000 feet high. Since then, the swirling plumes have spread around the southern hemisphere–traveling eastward from South America to southern Africa to Australia/New Zealand. Just a few days ago, the plumes completed the circle.

    “We are seeing volcanic sunsets again in Rio,” reports Brazilian photographer Helio de Carvalho Vital, who took this picture on May 17th:

    Back in April, Vital was among the first to notice colorful sunsets in the immediate aftermath of Calbuco. “I spotted the first effects of the volcano on April 24 and monitored the bulk of the plume on April 26, 27 and 28 as it was heading east. Colorful sunsets were visible from Rio for a week after that.”

    A primary color of volcanic sunsets is purple: Fine volcanic aerosols in the stratosphere scatter blue light which, when mixed with ordinary sunset red, produces a violet hue. Purple isn’t the only color, though. Volcanic sunsets can also include a bright yellow twilight arch and long diffuse rays and shadows.

    After a 3 week intermission, purple has returned to Brazil. “It is subtle,” notes Vital. “A camera is required to fully capture the effect. This suggests that the plumes are now much more tenuous than three weeks ago.”

    A purple sighting last night in New Zealand further suggests that Calbuco’s exhaust is thinly spread around the southern hemisphere. Photographers in southern Africa, Argentina, Chile, southern parts of Brazil, and Australia should remain alert for similar displays.

    http://spaceweather.com/archive.php?view=1&day=23&month=05&year=2015

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s