Per Big Bang theory, backround microwave radiation is em radiation which has decreased in frequency rather drastically, from very high (far in excess of x-ray freqs, for example) to very low (i.e. microwave freqs) through an estimated time period of roughly 12-18 billion years (also based on Doppler effect QUITE uniquely and exclusively interpreting or "explaining" observed red-shifts), yet red-shifted light emitted also several billions of years ago from distant galactic starlight "cools" by not even a single wavelength in frequency through all that time, not to mention space? I seriously doubt it, and yet I take my medication and see my therapist regularly, so what gives, Bill Nye, the Science Guy? If experts are trying that hard to avoid plural variables (other than Doppler effect, such as "cooling" or "aging") in a single equation, I certainly don't blame them, but I can't go so far as to excuse them, either, can I?
Indeed, can anyone who sees the emperor's "new clothes"?
2006-10-15
12:22:38
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10 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics
The observed cosmic background radiation are photons that were originate from the period when the universe had expanded enough to make fusion reactions possible. About a minute after the Big Bang the density of matter was low enough so that photons that formed were no longer immediately reabsorbed.
What we see are these photons, but redshifted by a factor of 10^9.
2006-10-16 02:30:29
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answer #1
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answered by cordefr 7
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although I do comprehend the factor you are attempting to make, i'm able to ascertain an entire on your theory of all of the *ifs*..... We as Christians at the instant are not uneducated or unable to hold close the techniques of this international, we p.c. to have faith that the God we worship has His hand in each little thing ! check out from our attitude for a metamorphosis.. Why is it which you and others can not see issues as we do ? That in basic terms according to probability there are issues which will proceed to be a secret and in basic terms theories and or guesses ? that possibly there's a reason as to why those theories can't be reproduced and made to be considered in action ? And in basic terms according to probability there are issues in this international that ought to not be messed with or replaced by using human palms ? not all differences are for the extra effective ! sure, we've drugs now, huge whoop, we would not prefer those drugs IF guy had not long previous into places and finished issues that they had NO corporation in or doing !! Am I incorrect ?? And somewhat correction here, some had awareness of wheels, machines, or maybe the automobile in the middle a while ! It became not seen a sort of fact then , or what ever you prefer to call it .... all of the *how are you able to nots* have been ask, yet very few have been responded.....no person is totally knowledgeable in each little thing..... All which you comprehend isn't something in comparison to what there is to renowned ! Now there is a few thing to be knowledgeable approximately, the uneducation of ones self !!!! bypass in peace..... God bless
2016-10-16 05:51:37
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answer #2
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answered by grauer 4
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#1: The cosmic microwave background was emitted at _only_ a temperature of about 3000 K - yes, the early universe was much hotter than that, but the background radiation was emitted 380,000 years later when the ubiquitous plasma in the universe finally cooled down enough to become a gas, and thus transparent to light. All radiation emitted subtantially before then was absorbed by intervening plasma and will never reach our telescopes.
#2: The radiation of distant galaxies IS subject to substantial redshift, and in fact it is primarily because it is so redshifted that we know the radiation comes from distant galaxies in the first place. It has therefore "cooled" by substantially more than one wavelength. And just in case you are wondering, when scientists talk about the "cooling" of the CMBR it is precisely the cosmological redshift they are talking about - the radiation does not lose energy simply due to age, but because the universe is expanding.
Please, try to learn something about cosmology before you start to criticize it.
2006-10-15 13:26:42
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answer #3
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answered by Pascal 7
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The photons themselves did not change since they were emitted early on, they traveled to a region of space moving at a different velocity, and so are greatly Doppler shifted *in our reference frame*. When one detects a photon of background radiation, it's in the microwave regime because the atom that emitted it was (and still is) receding from us a near light speed. The same applies to light from distance galaxies, but to a lesser extent since they are closer and formed more recently.
2006-10-15 15:00:44
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answer #4
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answered by Dr. R 7
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I'll let it go this time but no more Light, Age and Bang theorizing in future. This is a family oriented area..
(Family oriented? Sheesh!)
2006-10-15 13:08:59
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answer #5
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answered by Anonymous
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Does anyone agree this question illustrates the phrase "A little knowledge is a dangerous thing"? I don't think the asker understands anything he said.
2006-10-15 12:40:28
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answer #6
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answered by STEVEN F 7
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Different matter or is it? a wave or a particle? String theory says energy. So we are just different vibs living in a vib universe.Like music the sounds fade,grow louder,become weaker but since they are not really there they are timeless.
2006-10-15 12:27:58
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answer #7
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answered by super stud 4
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ok
no afence dude
but not many people
going to answer ur
question(s)
if every one/all
of ur questions
are 5 paragraphslong!
u dont need to write an essay!
and dont take this in an afencive way
just giving u some addvice!
2006-10-15 12:27:03
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answer #8
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answered by g poo 2
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say wha???
2006-10-15 12:24:21
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answer #9
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answered by 2sweet2forget 2
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x plus square 2 minus..
can you rephrase please?!
2006-10-15 12:24:58
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answer #10
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answered by Anonymous
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