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An Old Urban Legend: Confused by the Copernican Cliche
BreakPoint ^ | 9 September 03 | Chuck Colson

Posted on 09/09/2003 11:40:31 AM PDT by Mr. Silverback

Dr. Dennis Danielson, professor of English at the University of British Columbia, has some advice: Don't believe everything you read in textbooks.

Speaking at the meeting of the American Scientific Affiliation in July, Danielson noted that the conventional wisdom says that when scholars thought the earth was the center of the universe, then humans were the king of the cosmic hill, creatures in God's image. But when Copernicus discovered Earth orbited the Sun, man concluded that he was a mere animal -- or so the story goes.

After nearly a decade of research, however, Danielson, who has specialized in linking the humanities and science, has debunked that story.

As a student, Danielson learned that when Copernicus discovered that Earth orbited the Sun, this demoted our planet. Instead of the center of the universe, Earth became one planet in a myriad. This "standard interpretation" is generally assumed to be historical fact. But Danielson has called it "the great Copernican cliche."

First, the cliche misstates what thinkers before Copernicus believed. Though they believed the earth was the center around which the universe revolved, they didn't think that position put Earth at the top of the cosmic heap. To the contrary, they had a low view of the center of the universe. The fifteenth-century philosopher Pico called it "a dung heap."

Instead, Earth orbiting the Sun was seen as a promotion for the earth. Copernicus's student Rheticus wrote, "The globe of the earth has risen, while the Sun has descended to the center of universe."

So why did scholars resist the evidence that Earth moved around the Sun? Danielson found, "It was objected to because it ran counter to centuries of established astronomical tradition . . . [and] because it involved the absurd idea that terra firma was in motion."

Then where did textbook writers get the idea that moving Earth from the center of the universe gave Earth and humans inferior status? Danielson's research indicates that one hundred years after Copernicus, a writer of satire -- not a scientist -- started the story. Bouvier de Fontenelle wrote satirically that Copernicus had "humbled the vanity of mankind," whose arrogance had imagined himself as the center of the universe. This interpretation caught on and became the "unquestioned version of the Enlightenment."

In our lifetimes, the late astronomer Carl Sagan spoke of "billions and billions" of stars in the universe, with Earth being a small speck. Danielson notes an even "larger pattern" of demotion that appears in all of Carl Sagan's books.

Danielson summarizes: The "stage version of this transformation features the dark forces of religion and the Church locked in mortal combat with the enlightening power of science. Science has demonstrated the insignificance of mankind and the universe overall, and it has established -- you guessed it -- the centrality and importance of scientists in showing us how cosmically unimportant we are."

It's a convenient story for scientists and naturalists alike, but the Copernican cliche is nothing but an urban legend. Debunk it the next time you hear it.

TOPICS: Culture/Society; Editorial; News/Current Events; Philosophy
KEYWORDS: astronomy; charlescolson; copernicus; galileo; pythagoras; science
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To: Age of Reason
I haven't looked at Copernicus' book, but I had always heard that the preface was added by the Lutheran publisher without Copernicus' authorization.

The January 1994 Bulletin of the American Academy of Arts and Sciences has a "stated meeting report" by Owen Gingerich entitled "Circles of the Gods: Copernicus, Kepler, and the Ellipse," which is quite interesting. At the end there's a note saying that Mr. Gingerich ended his lecture showing a cartoon in which Kepler announces, "The orbit of the planet is elliptical," while three of his puzzled contemporaries muse, "What's an orbit?" "What's a planet?" and "What's elliptical?"

21 posted on 09/09/2003 6:08:31 PM PDT by Verginius Rufus
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To: Dark Knight
A model is not truth. A model can help with predictability, or functionality of understanding but does not convey absolute truth. Models as human developed constructs attempt to help us explain reality, but should never be confused with reality itself.

Yes and no. A model's validity is dependant on how close it manges to get us to understanding how our external, objective reality actually works. Their validity may be deductive-nomological or inductive-statistical, but either way, they serve as a kind of truth statement that help us understand the connections and relationships between seemingly disparate phenomena. We can never say for certain, however, that any model is ever complete.

Also instead, of viewing models as constructs, I prefer to see them as mental structures which are part of the cognitive apparatus which helps guide us through the external world. And here is my problem with the whole Anthropic Principle, which is itself a none-too subtle attempt at reviving the old Ptolemic conception of Man being at the centre of the universe. Instead of viewing the universe as being as attuned to us, it's more accurate to say that we are attuned to the universe. Our cognitive, perceptual and communicative faculties, whether through adaptation or exaptation, have evolved to help us make sense of the universe.

22 posted on 09/09/2003 6:22:43 PM PDT by RightWingAtheist
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To: RadioAstronomer; edwin hubble; r9etb
You guys are the experts; we're just amateurs :)
23 posted on 09/09/2003 6:25:26 PM PDT by RightWingAtheist
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To: RightWingAtheist
Just like a shadow can be a good representation of something, it is still a representation and should never be confused the the original. Models can change, as can paradigms.

I am hoping truth and reality does not, but I cannot say with authority that it is the case. Would you and I hold the exact same opinions if we took a smart pill and doubled our IQ's? I know it would change our models and paradigms but would it change the underlying truth or reality?

I would take it in a minute. Heck, I might take two.
24 posted on 09/09/2003 6:41:45 PM PDT by Dark Knight
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To: Dark Knight
Please, please send me the URL for those smart pills . . . just as long as they're not hold overs from the 70s. There were a lot of smart pills from that era that were tried by dumb-shits like me.
25 posted on 09/09/2003 8:22:22 PM PDT by Phil V.
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To: Age of Reason
One might still say that everything else moves relative to a stationary earth.

You can use the Earth as your frame of reference. In fact, one of my orbit classes at NASA did exactly that. We used the Earth as a frame of reference instead of the sun when we described the celestial sphere. (It described the Sun orbiting the Earth in that reference frame.)

26 posted on 09/09/2003 8:58:41 PM PDT by RadioAstronomer
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To: Phil V.
One pill makes you larger
One pill makes you small
The ones that...mother gives you
Don't do anything at all

Phil V spaketh thusly:

"...just as long as they're not hold overs from the 70s. There were a lot of smart pills from that era that were tried by dumb-shits like me.

27 posted on 09/09/2003 9:08:39 PM PDT by Ready4Freddy (Veni Vidi Velcro)
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To: Lonesome in Massachussets
Thanks for mentioning Koestler. The Sleepwalkers is a great read!!
28 posted on 09/09/2003 9:10:08 PM PDT by moni kerr (Lead, follow or get the hell out of the way)
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To: Lonesome in Massachussets
Actually, the centrifugal force associated with the Sun rotating around the Earth would be HUGH! Even Einstein can't help you here. Newton had the Earth and Sun rotating around their common center of Gravity.

I hate the term "centrifugal force". There is no such thing. For example, what you "feel" (being forced towared the outside of the turn) as a car is rounding a curve and what is described as centrifugal force, is nothing more than your mass trying to continue in a strait line. (see Newtons three laws). The real force is actually in the directon towards the turn (center) and is called centripetal force.

29 posted on 09/09/2003 9:12:24 PM PDT by RadioAstronomer
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To: RadioAstronomer
I agree, I was trying to give a concise answer. BTW, since you're a radio astronomer, what's the "fourth test of General Relativity" and to whom is it credited? Hint: I have Radar Astronomy (Evans and Hagfors) sitting here on my desk.
30 posted on 09/10/2003 6:03:16 AM PDT by Lonesome in Massachussets (Uday and Qusay and Idi-ay are ead-day)
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To: KayEyeDoubleDee
"Call me a skeptic, but this article comes from a site whiose stated mission "is to develop and communicate Christian worldview . . . "

The author is stating the conclusion of someone else's research, not his own.
31 posted on 09/10/2003 6:10:30 AM PDT by webstersII
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To: moni kerr
>> The Sleepwalkers is a great read!!

Unfortunately it is very uneven. He avoids the breathlessly hagiographic style that mars so much of popular histories of science. (E.g., Dava Sobel). The accounts of Ptolemic and pre-Ptolemic astronomy are a little too superficial and muddled. I don't think he appreciates Ptolemy's accomplishments. He doesn't hit his stide until he gets to Copernicus. He's in love with Kepler and his treatment is superb. He tries to knock Galileo off his pedestal. It is interesting to see someone defending the Jesuits and the Pope and quite adroitly, at that. Tycho is underdeveloped, but the chapters on Newton and classical physics give the impression of being unfinished and modern physics, i.e., Einstein, are little more than a very rough outline.

Unlike so many popularizers of the history of science (e.g., Dava Sobel), he seems to have more than a rudimentary grasp of the subject. I agree, on balance, it's a great read.
32 posted on 09/10/2003 6:31:45 AM PDT by Lonesome in Massachussets (Uday and Qusay and Idi-ay are ead-day)
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To: Verginius Rufus; RadioAstronomer
I haven't looked at Copernicus' book, but I had always heard that the preface was added by the Lutheran publisher without Copernicus' authorization.

I do remember something about an assistant of Copernicus being responsible for bringing the book to publication, and for doing something Copernicus did not authorize him to do.

But in any event, the earth-centric system was actually a better predictor of planetary motion than was the Copernican model of a sun-centered system--the larger inaccuracies caused by the Copernican were, I believe, based on the erroroneous idea that planetary orbits were circular.

But the chief advantage of the Copernican model was the far simpler calculations needed to compute planetary movement--albeit at the price of being less accurate.

So actually, those who favored the earth-centered soloar system had the weight of evidence on their side, as calculations based on formulas associated with that system more accurately fit astronomical observations.

(I believe there was famous debate about this in those days. A Cardinal Bellarmine, arguing on behalf of the Church, won the argument for the earth-centered model on just those grounds: The Earth-centered model fit the evidence better.)

I suppose the Copernican model might have been made more exact in its results by adding additional calculations, but then it might have been just as complex as the earth-centric model, and there would be no reason to think it better in any respect.

I think it wasn't until Newton and eliptical orbits that Copernicus' ideas were fully vindicated.

This entire episode taught me more about the flawed human concept of genius than it did about astronomy: If Copernicus publically insisted that the sun was indeed the center--he was a fool whom subsequent science made lucky.

And so today he is hailed as a visionary genius.

But tommorow?

Just who is hailed as a genius to which generation of men--is a very subjective judgement.

Genius is just fashionable thinking.

33 posted on 09/10/2003 11:51:17 AM PDT by Age of Reason
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To: Lonesome in Massachussets
BTT! Will answer tomorrow. :-)
34 posted on 09/15/2003 9:32:43 PM PDT by RadioAstronomer
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