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Re: All orbits are swiveling ellipses albeit very small is the norm

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On 26/01/2016 3:41 AM, jamesl51165@gmail.com wrote:
> On Sunday, January 24, 2016 at 8:18:09 PM UTC-8, Sylvia Else wrote:
>> On 24/01/2016 4:07 PM, Tom Roberts wrote:
>>> On 1/23/16 1/23/16   9:01 PM, John Gogo wrote:
>>>> So, you are basically saying that orbits are mostly, nearly perfectly
>>>> circular- which is what I have been saying.
>>>
>>> And you are wrong. Yes, the eight planets have reasonably circular
>>> orbits except for Mercury. But most large asteroids and dwarf planets
>>> like Pluto do not have circular orbits, and there are more of them than
>>> planets. Moreover, there are over 700 comets that have been observed,
>>> and NONE of them have an orbit that is anywhere close to circular.
>>>
>>> Part of this is selection bias -- to be notable an orbiting object must
>>> be observed. But if an inner solar system object had an eccentricity
>>> comparable to a long-period comet (0.97-0.99), it would never have been
>>> observed by humans because it would have melted or broken up long ago
>>> (coming so close to the sun). So the only objects in highly elliptical
>>> orbits are far from the sun and have periods of hundred to thousands of
>>> years (or longer, c.f. the newly discovered "Planet 9"); Halley's comet
>>> is a rarity (period only 75 years).
>>>
>>>       Mathematically, the set of circular orbits is minuscule
>>>       within the set of all possible orbits. That is, the vast
>>>       majority of all possible orbits are not circular at all.
>>>
>>> In addition, most extrasolar planets whose eccentricities are known have
>>> values more than ten times that of earth.
>>>
>>>       It's remarkable (and sad) that you have opinions on so many
>>>       things you clearly know nothing about. You really should
>>>       learn how to recognize when you don't know something.
>>>
>>>
>>> Tom Roberts
>>
>> I think James may have been referring to apsidal precession, first
>> noticed in the orbit of Mercury. But saying that it applies to all
>> orbits is only stating what's already well known.
>>
>> Sylvia.
>
> Look at the speed of the Earth in orbit. It accelerates by the very small
> then it is taken back. The increase in speed is micro for the Earth orbiting
> around the sun. Look at the orbital strength of gravity only accelerating by
> the smallest difference that creates ellipses (that swivel)
>
> Mitchell Raemsch
>
>

Nope - that's completely incomprehensible.

Sylvia.

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All orbits are swiveling ellipses albeit very small is the norm jamesl51165@gmail.com - 2016-01-23 12:42 -0800
  Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-23 19:01 -0800
    Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-23 20:35 -0800
    Re: All orbits are swiveling ellipses albeit very small is the norm Tom Roberts <tjroberts137@sbcglobal.net> - 2016-01-23 23:07 -0600
      Re: All orbits are swiveling ellipses albeit very small is the norm Watto Chewbacca <watchu@wattochewbacca.org> - 2016-01-24 21:12 +0000
        Re: All orbits are swiveling ellipses albeit very small is the norm "Paul B. Andersen" <relativity@paulba.no> - 2016-01-25 20:16 +0100
      Re: All orbits are swiveling ellipses albeit very small is the norm Sylvia Else <sylvia@not.at.this.address> - 2016-01-25 15:18 +1100
        Re: All orbits are swiveling ellipses albeit very small is the norm jamesl51165@gmail.com - 2016-01-25 08:41 -0800
          Re: All orbits are swiveling ellipses albeit very small is the norm Sylvia Else <sylvia@not.at.this.address> - 2016-01-26 10:17 +1100
          Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-26 14:57 -0800
      Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-26 14:59 -0800
      Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-26 15:01 -0800
        Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-01-26 17:27 -0800
          Re: All orbits are swiveling ellipses albeit very small is the norm John Gogo <jfgogo22@yahoo.com> - 2016-02-02 19:42 -0800
            Re: All orbits are swiveling ellipses albeit very small is the norm Sylvia Else <sylvia@not.at.this.address> - 2016-02-03 23:41 +1100

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