Who said: however the Earth still rotates

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In summary: He was trying to resuscitate the ancient idea that the universe is in a constant flux, and that the Fixed Stars, the ones we see night after night, are really moving and changing.In summary, Giordano Bruno was a philosopher and scientist who was persecuted for his heretical ideas on the nature of the universe.
  • #1
haiha
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Who said: "however the Earth still rotates"

I remember that there was an ancient astronomer who supported the idea of heliocentric moel of the Solar system and finally he was executed by the Church. Just before his execution, he still cried " However the Earth still rotates".
Does anyone know the name of the scientist?

Thanks
 
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  • #2
You're thinking of Galileo, though whether it really happened as you say I do not know. Actually, I thought the story was that he recanted, rather than being executed, and that rather than crying out he just muttered it under his breath?
 
  • #3
It was indeed Galileo. He was made to "denounce" the helio-centric theory, after which, as cesiumfrog says, he is reported to have muttered something along those lines. He was later put under house-arrest.
 
  • #4
E pur si muove

it is part of our heritage

"but it still moves" (even though you made me say it doesn't)

If you google the phrase "e pur si muove"
you will get the Wikipedia article of the same name:
http://en.wikipedia.org/wiki/E_pur_si_muove!

Wiki treats it as a legend that Galileo said this, but the legend is
very 'true to life' in a certain sense because it epitomizes
the empiricist spirit that Galileo tried to foster througout his career.
he worked tirelessly to promote the idea of experimenting to find out
how the world really is, instead of what the handed-down dogma said.
 
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  • #5
I wonder how it could ever be established that Galileo actually did say these words, on that occasion?
 
  • #6
Thank you all.
Anyway as I now remember, it seems to be Bruno, who was saying so just before being executed. If it is not true, the book I read must have had a mistake.
 
  • #7
Never heard of him before, but from Wikipedia (Giordano Bruno):

"At his trial he listened to the verdict on his knees, then stood up and said: "Perhaps you, my judges, pronounce this sentence against me with greater fear than I receive it." A month or so later he was brought to the Campo de' Fiori, a central Roman market square, his tongue in a gag, tied to a pole naked and burned at the stake[..]

Some authors have claimed Bruno as a "martyr of science". They see a parallel between his persecution and the Galileo affair, [but] unlike Galileo, Bruno's theological beliefs were a factor in his heresy trial
"

Note your story contradicts the bit about the gag.
 
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  • #8
neutrino said:
It was indeed Galileo. He was made to "denounce" the helio-centric theory, after which, as cesiumfrog says, he is reported to have muttered something along those lines. He was later put under house-arrest.

And of course, Galileo gave them his middle finger.:biggrin:

http://www2.jpl.nasa.gov/galileo/finger.html

...
 
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  • #10
cesiumfrog said:
... A month or so later he was brought to the Campo de' Fiori, a central Roman market square, his tongue in a gag, tied to a pole naked and burned at the stake[..]

Some authors have claimed Bruno as a "martyr of science". They see a parallel between his persecution and the Galileo affair, [but] unlike Galileo, Bruno's theological beliefs were a factor in his heresy trial[/I]"

I vaguely remember that with Bruno there was an issue of OTHER WORLDS---the heretical idea that the stars could be other suns and that a star could have planets going around it, like our sun, and maybe there are aliens living there. Maybe I'm wrong.

Imagining other worlds was bad news. Much worse than just claiming that Copernicus might be right about the Earth orbiting the sun and rotating.

Also I seem to remember that Giordano Bruno was kind of hard to get along with---he had an abrasive personality and quite a lot of eccentric ideas.

so the issue was not simply whether the Earth turns or not. I can't believe there is any Bruno legend about the Earth rotating.

He damned himself on more serious grounds.
 
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1. Who is credited with discovering that the Earth rotates?

The concept of Earth's rotation has been known since ancient times, but it was Nicolaus Copernicus in the 16th century who first proposed the heliocentric model of the solar system, which included the Earth rotating on its axis.

2. How do we know that the Earth rotates?

The evidence for Earth's rotation includes observations of the changing positions of stars in the night sky, the Coriolis effect on weather patterns, and the Foucault pendulum experiment conducted by physicist Léon Foucault in the 19th century.

3. What is the speed of Earth's rotation?

The Earth rotates at a speed of approximately 1,040 miles per hour (1670 kilometers per hour) at the equator. This speed decreases as you move towards the poles.

4. Does the Earth's rotation affect time?

Yes, the Earth's rotation affects the measurement of time. One full rotation of the Earth on its axis is equal to one day, and this rotation is used to define the concept of a 24-hour day.

5. Could the Earth's rotation ever stop?

It is highly unlikely that the Earth's rotation will ever stop completely. However, factors such as tidal forces from the moon and the sun, and the redistribution of mass within the Earth's core, can cause very small changes in its rotation speed over time.

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