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The round and rotating Earth
On Apr 29, 2:50*pm, oriel36 wrote:
The guys manning the world's largest telescopes as they track the stars and galaxies across the sky should be capable of giving a short answer without hesitation that the return of a star to a meridian is determined using the average 24 hour day within the equable 365/366 day calendar system making it effectively useless for describing the Earth daily and orbital dynamics. They do not believe that. In a single span of 23 hours, 56 minutes, and 4 seconds, a star returns to the meridian. This happens each night of the year, in any season of the year. It is instead the return of the Sun to the meridian which takes very slightly less than 24 hours during some parts of the year, and slightly more during others. The exact average length of the day might indeed require taking into account the fact that 365 days is not really a full year. That, though, means only that natural noon is the derived and complicated quantity, the one that is useless for describing dynamics. We only use the hours, minutes, and seconds derived from subdividing the 24 hour average solar day as our units of clock time for convenience. We could use the period of a pendulum three feet long instead, and measure the length of time it takes for a star to return in those units. John Savard |
#12
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The round and rotating Earth
On Apr 29, 10:56*pm, "
wrote: On Apr 29, 1:50 pm, oriel36 wrote: On Apr 29, 5:20 pm, " wrote: Hi *There is an independent reference as I and another stated. One can go into a closed closet ( completely blocked from sun or stars ) and using a gyroscope ( of sufficient quality ) and prove that the Earth rotates in 23 hours 56 minutes and 4.1 seconds. *It has been done and is required to be true to keep airplanes from being lost on long flights. *Please answer the questions: 1. How do you justify the difference? 2. How are these measurements incorrect when they are not influenced by the stars? 3. Is there some type of supernatural force inside closets? Please just answer the questions. Dwight Dwight,the questions you pose are the greatest challenge of our era in the approach to both the celestial and terrestrial arenas and where they mesh as cause and effect , for the answer to those questions contain some of the most heartbreaking errors and *the most exciting prospects.The guys manning the world's largest telescopes as they track the stars and galaxies across the sky should be capable of giving a short answer without hesitation that the return of a star to a meridian is determined using the average 24 hour day within the equable 365/366 day calendar system making it effectively useless for describing the Earth daily and orbital dynamics.You can assume that a star will return to a meridian 3 minutes 56 seconds earlier between February 29 th and March1st in a leap year thereby affirming where 'sidereal time'comes from within the equable day calendar system and how it is a useful and positive convenience *once observers are aware of its limitations.The people who operate the large telescopes cannot assume that 'sidereal time' and circumpolar motion proves rotation is constant,they must now assume that it is the greatest astronomical mistake ever given its impact Hi *The Gyroscope know nothing of the stars or the fact that they seem to follow the Sidereal clock time. All a Gyroscope knows is that the object under it rotated once when it completed the 360 degrees and returned to the same position relative to the closet, as proposed in the original experiment. *Had it done so in 24 hours there would be not question. The fact that it is know to do this in 23 hours 56 minutes and 4.1 seconds, would indicate that there is something at the basest of levels about that interval of time. *The fact that it does this independent of any connect to the stars or telescopes is of profound significance. The fact that it was through observation of the stars that this time interval was first stated is not even relevant. *The fact that it exist, independent of anything else is relevant. The fact that is does correlate to the interval measure from the stars is not just coincidence. It is a the result of fundimental rules of how things have to work. This is true regardless of your personal pleasures or beliefs. Dwight Well Dwight,I have something to go by whether it is you in a closet or the guys who operate the big telescopes and while there is no need to repeat the short answer which explains 'sidereal time' as a timekeeping average within the calendar system ,it is how latitudinal twilight lengths are explained that should tell any reasonable person that losing basic planetary facts of dimensions and rotational characteristics has terrible consequences - http://www.wonderquest.com/Equator.htm The small work of Copernicus known as the ' Commentariolis' is just about 500 years old and if people care to read the short extracts,they will see that Copernicus looked at the difficulties posed by a geocentric system by discovering that it is the Earth's daily and annual motions which account for the daylight/darkness cycle and the seasons - http://dbanach.com/copernicus-commentarilous.htm People do have a choice,they can apply an extension to the daylight/ darkness cycle due to daily rotation by looking at the effects of a round and rotating Earth using a known maximum equatorial speed of 1037.5 miles per hour and twilight length variations which correlates slower rotational speeds with longer twilights towards the geographical poles.If you find yourself hostile to such a simple and effective proof,and apparently you are one among many,then stick with that joke of an explanation above which circulates in the world where the Sun is caught up in circumpolar motion. We can see the Earth from space which makes the arguments all the more intense,as people of the 21st century looking in on our home planet and its motions,it is difficult not to feel deep dismay that so many share your closet views when so much modern imaging is available in explaining basic planetary facts such as the equatorial rotation at 1037.5 miles per hour and a full rotation of the Earth's circumference in 24 hours - http://www.youtube.com/watch?v=YXCnxoixb-s If people are willing to support and error created by one single person in the late 17th century,John Flamsteed in this case,then they have not only a total disregard for all the technological advances we have today but at a more basic level of intelligence which prides itself in figuring things out,this last attribute is entirely absent here in this forum and in the wider scientific community and everyone,regardless of how they may think of themselves is in the same 'sidereal time' boat. |
#13
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The round and rotating Earth
On Apr 29, 10:32*pm, oriel36 wrote:
On Apr 29, 10:56*pm, " wrote: On Apr 29, 1:50 pm, oriel36 wrote: On Apr 29, 5:20 pm, " wrote: Hi *There is an independent reference as I and another stated. One can go into a closed closet ( completely blocked from sun or stars ) and using a gyroscope ( of sufficient quality ) and prove that the Earth rotates in 23 hours 56 minutes and 4.1 seconds. *It has been done and is required to be true to keep airplanes from being lost on long flights. *Please answer the questions: 1. How do you justify the difference? 2. How are these measurements incorrect when they are not influenced by the stars? 3. Is there some type of supernatural force inside closets? Please just answer the questions. Dwight Dwight,the questions you pose are the greatest challenge of our era in the approach to both the celestial and terrestrial arenas and where they mesh as cause and effect , for the answer to those questions contain some of the most heartbreaking errors and *the most exciting prospects.The guys manning the world's largest telescopes as they track the stars and galaxies across the sky should be capable of giving a short answer without hesitation that the return of a star to a meridian is determined using the average 24 hour day within the equable 365/366 day calendar system making it effectively useless for describing the Earth daily and orbital dynamics.You can assume that a star will return to a meridian 3 minutes 56 seconds earlier between February 29 th and March1st in a leap year thereby affirming where 'sidereal time'comes from within the equable day calendar system and how it is a useful and positive convenience *once observers are aware of its limitations.The people who operate the large telescopes cannot assume that 'sidereal time' and circumpolar motion proves rotation is constant,they must now assume that it is the greatest astronomical mistake ever given its impact Hi *The Gyroscope know nothing of the stars or the fact that they seem to follow the Sidereal clock time. All a Gyroscope knows is that the object under it rotated once when it completed the 360 degrees and returned to the same position relative to the closet, as proposed in the original experiment. *Had it done so in 24 hours there would be not question. The fact that it is know to do this in 23 hours 56 minutes and 4.1 seconds, would indicate that there is something at the basest of levels about that interval of time. *The fact that it does this independent of any connect to the stars or telescopes is of profound significance. The fact that it was through observation of the stars that this time interval was first stated is not even relevant. *The fact that it exist, independent of anything else is relevant. The fact that is does correlate to the interval measure from the stars is not just coincidence. It is a the result of fundimental rules of how things have to work. This is true regardless of your personal pleasures or beliefs. Dwight Well Dwight,I have something to go by whether it is you *in a closet or the guys who operate the big telescopes and while there is no need to repeat the short answer which explains 'sidereal time' as a timekeeping average within the calendar system ,it is how latitudinal twilight lengths are explained *that should tell any reasonable person that losing basic planetary facts of dimensions and rotational characteristics has terrible consequences - http://www.wonderquest.com/Equator.htm The small work of Copernicus known as the ' Commentariolis' *is just about 500 years old and if people care to read *the short extracts,they will see that Copernicus looked at the difficulties posed by a geocentric system by discovering that it is the Earth's daily and annual motions which account for the daylight/darkness cycle and the seasons - http://dbanach.com/copernicus-commentarilous.htm People do have a choice,they can apply an extension to the daylight/ darkness cycle due to daily rotation by looking at the effects of a round and rotating Earth using a known maximum equatorial speed of 1037.5 miles per hour and twilight length variations which correlates slower rotational speeds with longer twilights towards the geographical poles.If you find yourself hostile to such a simple and effective proof,and apparently *you are one among many,then stick with that joke of an explanation above which circulates in the world where the Sun is caught up in circumpolar motion. We can see the Earth from space which makes the arguments all the more intense,as people of the 21st century looking in on our home planet and its motions,it is difficult not to feel deep dismay *that so many share your closet views when so much modern imaging is available in explaining basic planetary facts such as the equatorial rotation at 1037.5 miles per hour and a full rotation of the Earth's circumference in 24 hours - http://www.youtube.com/watch?v=YXCnxoixb-s If people are willing to support and error created by one single person in the late 17th century,John Flamsteed in this case,then they have not only a total disregard for all the technological advances we have today but at a more basic level of intelligence which prides itself in figuring things out,this last attribute is entirely absent here in this forum and in the wider scientific community and everyone,regardless of how they may think of themselves is in the same 'sidereal time' boat. "Some cause happiness wherever they go; others, whenever they go.." - Oscar Wilde |
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