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Could Albert be wrong?
On Sep 23, 10:39*am, Sam Wormley wrote:
On 9/23/11 3:56 AM, G. L. Bradford wrote: * A proper question is how slow is slow in space? What exactly is the zero of velocity that 300,000kps is measured out from? * *There is no absolute state of motion or rest. Whether a body is * *in motion are at rest depends strictly on the point of view of * *the observer. That is the current scientific theory. Of course a preferred frame could be found tomorrow for all we know. For instance there was a report this year that suggested the universe could be spinning. Then there would be an axis of rotation and so likely also a center: Is the Universe Spinning? Analysis by Ray Villard Fri Jul 8, 2011 06:22 PM ET http://news.discovery.com/space/do-w...se-110708.html Bob Clark |
#2
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Could Albert be wrong?
On 9/24/11 6:44 PM, Robert Clark wrote:
On Sep 23, 10:39 am, Sam wrote: On 9/23/11 3:56 AM, G. L. Bradford wrote: A proper question is how slow is slow in space? What exactly is the zero of velocity that 300,000kps is measured out from? There is no absolute state of motion or rest. Whether a body is in motion are at rest depends strictly on the point of view of the observer. That is the current scientific theory. Of course a preferred frame could be found tomorrow for all we know. Well it started before Galileo, who stated it. Since there is no absolute references in space-time, there is no absolute coordinate system--no absolute motion. For instance there was a report this year that suggested the universe could be spinning. Spinning with respect to what? No Center http://www.astro.ucla.edu/~wright/nocenter.html http://www.astro.ucla.edu/~wright/infpoint.html Also see Ned Wright's Cosmology Tutorial http://www.astro.ucla.edu/~wright/cosmolog.htm http://www.astro.ucla.edu/~wright/cosmology_faq.html http://www.astro.ucla.edu/~wright/CosmoCalc.html WMAP: Foundations of the Big Bang theory http://map.gsfc.nasa.gov/m_uni.html WMAP: Tests of Big Bang Cosmology http://map.gsfc.nasa.gov/m_uni/uni_101bbtest.html |
#3
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Could Albert be wrong?
On Sep 24, 4:44*pm, Robert Clark wrote:
On Sep 23, 10:39*am, Sam Wormley wrote: On 9/23/11 3:56 AM, G. L. Bradford wrote: * A proper question is how slow is slow in space? What exactly is the zero of velocity that 300,000kps is measured out from? * *There is no absolute state of motion or rest. Whether a body is * *in motion are at rest depends strictly on the point of view of * *the observer. *That is the current scientific theory. Of course a preferred frame could be found tomorrow for all we know. *For instance there was a report this year that suggested the universe could be *spinning. Then there would be an axis of rotation and so likely also a center: Is the Universe Spinning? Analysis by Ray Villard Fri Jul 8, 2011 06:22 PM EThttp://news.discovery.com/space/do-we-live-in-a-spinning-universe-110... *Bob Clark Everything is always in orbit around something. Zero velocity doesn't exist. http://translate.google.com/# Brad Guth, Brad_Guth, Brad.Guth, BradGuth, BG / “Guth Usenet” |
#4
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Could Albert be wrong?
On 9/24/11 8:26 PM, Brad Guth wrote:
Zero velocity doesn't exist. My kitchen table has zero velocity with respect to my kitchen. Whether an object has zero velocity or non-zero velocity strictly depends on the point of view of the observer. |
#5
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Could Albert be wrong?
On Sep 24, 8:18*pm, Sam Wormley wrote:
On 9/24/11 6:44 PM, Robert Clark wrote: On Sep 23, 10:39 am, Sam *wrote: On 9/23/11 3:56 AM, G. L. Bradford wrote: * *A proper question is how slow is slow in space? What exactly is the zero of velocity that 300,000kps is measured out from? * * There is no absolute state of motion or rest. Whether a body is * * in motion are at rest depends strictly on the point of view of * * the observer. That is the current scientific theory. Of course a preferred frame could be found tomorrow for all we know. * *Well it started before Galileo, who stated it. Since there is no * *absolute references in space-time, there is no absolute coordinate * *system--no absolute motion. For instance there was a report this year that suggested the universe could be *spinning. * *Spinning with respect to what? * *No Center * * *http://www.astro.ucla.edu/~wright/nocenter.html * * *http://www.astro.ucla.edu/~wright/infpoint.html * *Also see Ned Wright's Cosmology Tutorial * * *http://www.astro.ucla.edu/~wright/cosmolog.htm * * *http://www.astro.ucla.edu/~wright/cosmology_faq.html * * *http://www.astro.ucla.edu/~wright/CosmoCalc.html * *WMAP: Foundations of the Big Bang theory * * *http://map.gsfc.nasa.gov/m_uni.html * *WMAP: Tests of Big Bang Cosmology * * *http://map.gsfc.nasa.gov/m_uni/uni_101bbtest.html IF it is spinning. It would be with respect to a center. Bob Clark |
#6
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Could Albert be wrong?
On Sep 24, 9:47*pm, Sam Wormley wrote:
On 9/24/11 8:26 PM, Brad Guth wrote: Zero velocity doesn't exist. * *My kitchen table has zero velocity with respect to my kitchen. * *Whether an object has zero velocity or non-zero velocity strictly * *depends on the point of view of the observer. The fact that you and your kitchen table do not have zero velocity with respect to the center of the Earth has important and measurable physical effects, specifically because the Earth is spinning. Bob Clark |
#7
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Could Albert be wrong?
On Sep 25, 9:23 am, Robert Clark wrote:
On Sep 24, 8:18 pm, Sam Wormley wrote: On 9/24/11 6:44 PM, Robert Clark wrote: On Sep 23, 10:39 am, Sam wrote: On 9/23/11 3:56 AM, G. L. Bradford wrote: A proper question is how slow is slow in space? What exactly is the zero of velocity that 300,000kps is measured out from? There is no absolute state of motion or rest. Whether a body is in motion are at rest depends strictly on the point of view of the observer. That is the current scientific theory. Of course a preferred frame could be found tomorrow for all we know. Well it started before Galileo, who stated it. Since there is no absolute references in space-time, there is no absolute coordinate system--no absolute motion. For instance there was a report this year that suggested the universe could be spinning. Spinning with respect to what? No Center http://www.astro.ucla.edu/~wright/nocenter.html http://www.astro.ucla.edu/~wright/infpoint.html Also see Ned Wright's Cosmology Tutorial http://www.astro.ucla.edu/~wright/cosmolog.htm http://www.astro.ucla.edu/~wright/cosmology_faq.html http://www.astro.ucla.edu/~wright/CosmoCalc.html WMAP: Foundations of the Big Bang theory http://map.gsfc.nasa.gov/m_uni.html WMAP: Tests of Big Bang Cosmology http://map.gsfc.nasa.gov/m_uni/uni_101bbtest.html IF it is spinning. It would be with respect to a center. Bob Clark you mean axis, but you need to stay outside to see it |
#8
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Could Albert be wrong?
On Sep 25, 3:47 am, Sam Wormley wrote:
On 9/24/11 8:26 PM, Brad Guth wrote: Zero velocity doesn't exist. My kitchen table has zero velocity with respect to my kitchen. Whether an object has zero velocity or non-zero velocity strictly depends on the point of view of the observer. wrong, the state of the observable thats the whole point with an observation, to see whether the observable is moving or not |
#9
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Could Albert be wrong?
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#10
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Could Albert be wrong?
On 9/25/11 2:23 AM, Robert Clark wrote:
IF it is spinning. It would be with respect to a center. Bob Clark You confuse center of rotation with rotation reference such as the "fixed stars". No Center http://www.astro.ucla.edu/~wright/nocenter.html http://www.astro.ucla.edu/~wright/infpoint.html Also see Ned Wright's Cosmology Tutorial http://www.astro.ucla.edu/~wright/cosmolog.htm http://www.astro.ucla.edu/~wright/cosmology_faq.html http://www.astro.ucla.edu/~wright/CosmoCalc.html WMAP: Foundations of the Big Bang theory http://map.gsfc.nasa.gov/m_uni.html WMAP: Tests of Big Bang Cosmology http://map.gsfc.nasa.gov/m_uni/uni_101bbtest.html |
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