Re: Will Somebody PleaseTell bz What an Inertial Frame is.

On Wed, 06 Jul 2005 06:55:06 GMT, H@..(Henri Wilson) wrote:
>On Tue, 05 Jul 2005 23:28:43 -0400, David Evens <devens@xxxxxxxxxxxxxxxx>
>wrote:
>>On Sun, 03 Jul 2005 13:00:04 GMT, The Ghost In The Machine
>><ewill@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>In sci.physics.relativity, H@..(Henri Wilson)
>>><H@>
>
>>>I'll admit to not being all that qualified to tackle this
>>>problem, but presumably a neutron star is going to have
>>>a boundary, and I'm wondering how fuzzy a boundary at
>>>this point. If a neutron is perfectly incompressible the
>>>neutron star in free space will indeed be a true sphere
>>>for the most part (I'm thinking of a rather bizarre planet
>>>made of nothing but cat's eyes :-) ).
>>
>>A neutron star is definitely compressible, although the only way to
>>compress it is to add more mass. Because neutron stars are made
>>primarily of degenerate neucleons bound by their own net gravity, the
>>more mass you add to a neutron star the SMALLER it gets. Of course,
>>once you get enough mass, the radius of the neutron star decreases
>>below the radius of the event horizon of an equal massed black hole
>>and so the neutron star is converted into a black hole. Now, a black
>>hole is not subject to tidal disruption, but since it tends to be more
>>massive than most objects that it might be near, it does tend to cause
>>tidal disruption.
>
>In which kid's comic did you read all that Evens?

I would ask you why you assume I use your sources, except nobody
writes comics as stupid as you would have to be using.

>>>But even neutrons can shift around if enough gravitational
>>>force is available, leading to a neutron star that looks
>>>a bit like an egg than a sphere (though it would require
>>>another similar egg close by). It's all a matter of
>>>finding the lowest energy level.
>>>
>>>>
>>>>>
>>>>>This was the problem with Delta Cepheii. The spectra could be
>>>>>interpretted as two orbitting star, but the stars were well within the
>>>>>Star's Roche limit. Which meant there shouldn't BE two stars.
>>>
>>>I have a dumb question. In light of the notions expressed heretofore,
>>>how long would it take for two stars of, say, 5 times Sun mass
>>>and distance between mass-centers twice the star radius (which means
>>>that were they rigid spheres they'd be rolling/touching one another)
>>>before they fuse to become a single star?
>>
>>That isn't a dumb question, since it would actually be very
>>complicated to predict, since it would involve using the well-known
>>equations of stellar structure to try and mdoel a highly dynamic and
>>rapidly changing scenario. The short version is, not very damn long
>>since the outer atmospheres would already be merged and there would be
>>a LOT of rotational energy being disipated through magnetoacustic
>>effects. At least, the energy disipated through magenetoacustic
>>effects would be much greater than would normally be going into such
>>processes in stable stars.
>
>Don't you think the rotation of each member might greatly affect the outcome,
>Evens?
>Would they necessarily be in tidal lock?

I see that you are, once again, not paying the slightest bit of
attention.

>HW.
>www.users.bigpond.com/hewn/index.htm
>
>Sometimes I feel like a complete failure.
>The most useful thing I have never done is prove Einstein wrong.

.

Relevant Pages

  • Re: The End -- Expanding sun
    ... Not a black hole, nowhere near enough mass. ... White Dwarf -- for the rest of its life, ... The mass limit for neutron star is 1.4 solar masses, ...
    (talk.origins)
  • Re: water inside a black hole
    ... and this is assuming that temperature is ... >> Wouldn't anything inside a black hole necessarily be ... We start with a neutron star that is almost massive enough to ... mass to collapse our star. ...
    (sci.physics.relativity)
  • Re: Question about black holes and neutron stars
    ... but is just lacking a little bit of mass. ... Neutron star falls t word a black hole accelerating it a significant ... Mass is an intrinsic property of an object like a neutron star. ... As the star approaches the black hole's horizon, but still outside it, a new horizon forms inside the star and expands at the local speed of light to meet the horizon of the black hole; these horizons distort towards each other at the local speed of light, until they coalesce into a single horizon enclosing both objects. ...
    (sci.physics.relativity)
  • Re: Question about black holes and neutron stars
    ... but is just lacking a little bit of mass. ... First I dont think that you would have a neutron star teetering as you say anywhere near a black hole because the star would acutally be ... as it drew closer and closer it would be ripped in half and ...
    (sci.physics.relativity)
  • Re: New ideas 2
    ... >> You must have some basic knowledge of physics. ... > If the reader has any basic knowldge of physics the reader will laugh ... which that mass, the mass of the atomic nucleus, has to constrain ... In the double neutron star systems, the pair of neutron stars, pulsars, ...
    (sci.physics)