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Originally posted by Furbs
Occam's Razor cuts this down.
Statement: Sun is a different color than it was when I was young.
Possible causes:
1. Sun changed color.
2. The sensory organs of humans degrade. Tastebuds die. Eyesight gets weaker. Ears lose sensitivity.
*looks at the "data" in the OP*
I pick number 2.edit on 10-5-2011 by Furbs because: (no reason given)
The life boat crew my mum works for used to get issued Cat. 3 glasses for summer but now get 4s and the sun screen has gone from a spf 10 to a 20....
...measurements by the Ulysses spacecraft show that solar wind pressure is at a 50-year low," he continues, "so the magnetic bubble that protects the solar system is not being inflated as much as usual." A smaller bubble gives cosmic rays a shorter-shot into the solar system. Once a cosmic ray enters the solar system, it must "swim upstream" against the solar wind. Solar wind speeds have dropped to very low levels in 2008 and 2009, making it easier than usual for a cosmic ray to proceed... science.nasa.gov...
Photosensitivity by Bruce Miller, MD
...Transformation of H to He in sun’s interior liberates vast amounts of energy which reaches the earth’s surface in the form of electromagnetic radiation (EMR) : x-rays, cosmic rays, electric waves, radio waves, infrared, visible light, and ultraviolet radiation (UVR). ...
...UVA vs. UVB-what’s the difference and why it’s important:
UVR includes wavelengths of EMR between 297-400 nm. Convention divides this spectrum into UVB = 297-320 and UVA = 320-400. UVA may be further divided into UVA II = 320-340 and UVA I = 340-400. UVB is also known as the “sunburn spectrum” and is the prime factor in photo aging and photocarcinogenesis. UVA also contributes to photo trauma but is the spectrum primarily responsible
for photosensitivity reactions because of its deeper penetration into the skin.
UVB only penetrates into the epidermis and the papillary (uppermost) dermis and is blocked by window glass. UVA penetrates into the reticular (deep) dermis and passes through window glass unchanged. Unlike UVB these rays don’t vary in intensity with the time of day or the season. Compared to UVB, 100 times as many reach the surface of the earth....
www.scuba-doc.com...
...The analysis of satellite data suggests a solar constant of 1366 W mÀ2 with a
measurement uncertainty of 73 W mÀ2. Of the radiant
energy emitted from the Sun, approximately 50% lies in
the infrared region (40.7 mm), about 40% in the visible
region (0.4–0.7 mm), and about 10% in the UV region
(o0.4 mm).
The solar constant is not in fact perfectly constant,
but varies in relation to the solar activities
....
Some indirect evidence indicates that the changes in solar constant related to sunspot activity have been significantly larger over the past several centuries. Further more solar variability is much larger (in relative terms) in the UV region....
curry.eas.gatech.edu...
....It is known that the solar flux F varies with the 11 yr solar activity cycle, but considerably depending on wavelength; greater variations occur a wavelengths less than 200nm.... resources.metapress.com...
climate.gsfc.nasa.gov...
Temperature responses to spectral solar variability on decadal time scales
Robert F. Cahalan,1 Guoyong Wen,1,2 Jerald W. Harder,3 and Peter Pilewskie3
Harder et al. show that on multi‐year scales the SIM observed SSI of VIS and NIR bands varies out‐of‐phase with variations in the UV and TSI.[ In addition, the magnitude of decrease in UV band energy at 200–400 nm during the declining phase of solar cycle 23 is nearly 10 times as large as that for the reconstructed UV irradiance. In the VIS (400–691 nm), the SIM observed SSI changes out‐ of‐phase with variations of TSI and reconstructed SSI. The magnitude of the increase of observed visible SSI is more than twice as large as the magnitude of the decrease of reconstructed SSI in the same spectral band. Similar out‐of‐ phase variation with large amplitude is also evident for observed SSI in NIR band at 972–2423 nm [see Harder et al., 2009].
[8] SORCE SIM observations span about 1 =2 of a solar 11‐year cycle so far, but already these observations suggest that it is time for a re‐examination of the impact of solar variation on climate.
Here we examine the climate response to two scenarios of solar forcing. Scenario I is in‐phase SSI variation based on the reconstructed SSI [Lean, 2000]. Scenario II is out‐of‐phase SSI variation based on the SIM observations [Harder et al., 2009]. For simplicity we use simple sinusoids to describe successive 11‐year solar variations for both in‐phase and out‐of‐phase scenarios with amplitudes and phases given by Harder et al. [2009]. For both scenarios the amplitude of SSI are scaled to have 11‐year TSI peak‐to‐peak variations of 1.2 W/m2 (see identical black curves in top panels in Figure 1a and 1b). We also note that SIM covers the spectral range up to 2423 nm. SSI variations beyond SIM’s wavelength upper limit are computed from the difference between the variation in TSI and SIM’s observed SSI variations.
The Forthcoming Grand Minimum of Solar Activity
Abstract
We summarize recent findings about periodicities in the solar tachocline and their physical interpretation. These lead us to conclude that solar variability is presently entering into a long Grand Minimum, this being an episode of very low solar activity, not shorter than a century. A consequence is an improvement of our earlier forecast of the strength at maximum of the present Schwabe cycle (#24). The maximum will be late (2013.5), with a sunspot number as low as 55.
journalofcosmology.com...
Classifying UV wavelengths
The following sub-classifications are applied
● UVA (315–400 nm) is also known as “black light.” These wavelengths are present in sunlight and cause the skin to tan, however, too much exposure destroys both vitamin A and the collagen fibres in organic tissue.
● UVB (280–315 nm) causes sunburn and over exposure can severely damage the eyes and skin, as well as result in a variety of melanomas.
● UVC (200–280 nm) is far more energetic and dangerous than UVB. UVC is sometimes referred to as germicidal UV as it is deadly to most forms of life, but luckily these wavelengths are completely absorbed in the Earth’s ozone layer. Light in this range is useful for a number of scientific measurements.
● VUV stands for vacuum ultraviolet and spans from 200 down to 10 nm. These wavelengths are absorbed by oxygen in the Earth’s atmosphere so measurements of VUV are usually made in vacuum conditions.
images.iop.org...
Originally posted by Shamatt
Originally posted by Wheelindiehl
reply to post by Ev0lveUp
I know the lack of Vitamin D causes weight gain, which I've noticed not only with myself but with others around me, but is the Vitamin D carried in the Red light ban?
HA HA HA HA HA HA
Vitamin D carried in light - that is brilliant! My favourite quote of the day that!
Vitamin D is created in the eyes and skin by the action of sunlight.
Lack of vitamin D causes rickets, not weight gain.
First off, Nasa says there will be an increase of CME’s from now through 2012. What that means in an increase in solar radiation. Accompany that with a weakening and possibly collapsing magnetosphere and we are talking about a lot of light energy. Can you feel it? The Sun feels intense to me. For the first time in my life I have purchased a super expensive, all mineral make-up, mostly zinc oxide, sunscreen. I don’t believe in the chemical cancer causing sunscreens, and have never really resorted to using one, but at the moment, something was needed to protect mine and my children’s skin. Secondly, the scientific world has also just announced that our sun is emittting a particle that is actually mutating matter- the impossible has happened; “Something being emitted from the sun is interacting with matter in strange and unknown ways with the startling potential to dramatically change the nature of the very Earth itself.” dublinmick.wordpress.com... “The mutation may go so far as to change the underlying reality of the quantum universe—and by extrapolation-the nature of life, the principles of physics, perhaps even the uniform flow of time.” Quoted from Above Top Secret
Originally posted by FOXMULDER147
or maybe you've read so many conspiracies over the years you're starting to see/feel things that aren't there...?
I think is due to depletion of the ozone layer....
.."We found a global slightly positive trend of ozone increase of almost 1% per decade in the total ozone from the last 14 years: a result that was confirmed by comparisons with ground-based measurements," said Diego G. Loyola R. who worked on the project with colleagues from the German Aerospace Center (DLR). www.esa.int...
Originally posted by filosophia
Originally posted by Furbs
Occam's Razor cuts this down.
Statement: Sun is a different color than it was when I was young.
Possible causes:
1. Sun changed color.
2. The sensory organs of humans degrade. Tastebuds die. Eyesight gets weaker. Ears lose sensitivity.
*looks at the "data" in the OP*
I pick number 2.edit on 10-5-2011 by Furbs because: (no reason given)
Are you sure that is Occam's razor?
1. One thing changes
2. Many things, almost an infinite number of things, from tastebuds to eye sight to internal organs change.
Which is more simple a la occam's razo?edit on 10-5-2011 by filosophia because: (no reason given)
Why you prefer to trust some magic bs instead of hard and proven science? Astounding level of ignorance in an age of science...
No teacher, but every textbook, left behind
More generally, the quality of the twelve most popular science textbooks for middle-schoolers is so low, Hubisz concluded, that none had an acceptable level of accuracy....
An exasperated William Bennetta explained why so many teachers accept inferior textbooks from these publishers, "[T]he major schoolbook companies… have long recognized that the teacher corps in America includes some desperate dumbbells, and the companies have learned to produce books that the dumbbells will like....
We have learned this, if nothing else, from the selective prosecution of Mr. Gossai: con a few people, and it's a felony; con millions, and it's educating the youth of America."
...I am reminded of this by an August 9 dispatch from the AP's Jennifer Coleman about a chain of private schools whose curriculum is so "riddled with errors" that outraged judges and attorneys general in four states have acted to close them down....
...one textbook can be, as the American School Board Journal noted, well over 1000 pages long, with "… splashy illustrations, large type, short sidebars, and funky headlines, all set off by expanses of white space." The same article summed them up as "20-pound packages of glitz....
Size does make a difference, and thousand-page textbooks are to be expected when one recalls what economy of scale means to a publisher: money. Multiply this by millions of textbooks, and it is a marvel there are still trees left standing in North America.
How about self-policing by the education, uh, professionals who select textbooks for public schools? (By the way, they use the word adopt instead of buy, presumably because of the latter's implication of tawdry commercialism.) These professionals have their own organization: NASTA, which stands for, one of its web pages tells us, National Association of School Textbook Administrattors [sic]. Apparently the "administrattors" carried over to their web site the skills they had finely honed in reviewing textbooks for half-billion dollar adoptions. NASTA's level of concern over textbook errors is almost below sea level...
Unfortunately, textbooks are crucial to learning. As the American School Board Journal reports, "… between 80 and 90 percent of classroom and homework assignments are textbook-driven…
...Alistair B. Fraser, a professor of meteorology who runs web sites exposing bad science in textbooks, concluded bleakly, "Apparently, most teachers believe everything they teach." To which I add, why not? Cornell professor Donald Hayes, quoted in the Grandfather Education Report, reported on results of sampling 788 textbooks used between 1860 and 1992: "Honors high school texts are no more difficult than an eighth grade reader was before World War II." (And in an essay written over half a century ago Randall Jarrell complained that 1930's textbooks were much easier than the ones from the 19th century!) So by now our teachers, and their teachers, and their teachers, have been dragged through the same swamp of bad textbooks...
..a modest beginning is possible without razing hundreds of schools of education: if we want, say, a teacher who is prepared to present more challenging material to 8th grade students, one is already available down the hall, teaching the 9th or 10th grade. As for those in the 11th and 12th grades, this nation has a surplus of under-employed college graduates. Better yet, most of them do not have degrees in education....
The Shadow Scholar The man who writes your students' papers tells his story
I've written roughly 5,000 pages of scholarly literature...
I've written toward a master's degree in cognitive psychology, a Ph.D. in sociology, and a handful of postgraduate credits in international diplomacy. I've worked on bachelor's degrees in hospitality, business administration, and accounting. I've written for courses in history, cinema, labor relations, pharmacology, theology, sports management, maritime security, airline services, sustainability, municipal budgeting, marketing, philosophy, ethics, Eastern religion, postmodern architecture, anthropology, literature, and public administration. I've attended three dozen online universities. I've completed 12 graduate theses of 50 pages or more. All for someone else.
You've never heard of me, but there's a good chance that you've read some of my work. I'm a hired gun, a doctor of everything, an academic mercenary. My customers are your students. I promise you that. Somebody in your classroom uses a service that you can't detect, that you can't defend against, that you may not even know exists....