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tech / sci.physics.relativity / [SR] Aberration of the position of the stars at zenith

SubjectAuthor
* [SR] Aberration of the position of the stars at zenithRichard Hachel
`* Re: [SR] Aberration of the position of the stars at zenithDono.
 `* Re: [SR] Aberration of the position of the stars at zenithRichard Hachel
  `- Re: [SR] Aberration of the position of the stars at zenithPython

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[SR] Aberration of the position of the stars at zenith

<OJ2tkRp5N0OCshPasTQSjkYlsdo@jntp>

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https://www.novabbs.com/tech/article-flat.php?id=74891&group=sci.physics.relativity#74891

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From: r.hac...@tiscali.fr (Richard Hachel)
 by: Richard Hachel - Sun, 19 Dec 2021 20:38 UTC

The earth moves at 30 km/s around the sun.
This is sufficient speed for small relativistic effects to appear when we
look at the stars.
For example, a star placed exactly at the zenith at night will appear
shifted in the direction of the earth's movement by a slight angle α.
How to find this angle α?
Good.
We set v = 3.10 ^ 4m / s
In hachelian terms (Hachel, is me, LOL):
v = Vo and Vo = Vr / sqrt (1-Vo²/c²).
Or Vr = Vo/sqrt (1-Vo²/c²)
As v = Vo is small in front of c, we can assume that Vr = Vo = v
Let Vr = 3.10^4m/s

We then ask:
x '= [x+sqrt(x²+y²+z²).Vo/c]/sqrt(1-Vo²/c²)

Let if x = 0 (star art zenith) and if Vo/sqrt(1-Vo²/c²)= Vr then we
obtain:
x'= y.Vr/c

Let tg α = x'/y = Vr/c

Vr/c = 10^-4

tg α = 0.0001

α = 0.00572958°

α (in arc second) = 0.00572958° * 3600 = 20"6265

Let α ~ 20"63

Note that this realtivist deviation is independent of the distance from
the star or the observed galaxy.

R.H.

Re: [SR] Aberration of the position of the stars at zenith

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Subject: Re: [SR] Aberration of the position of the stars at zenith
From: eggy2001...@gmail.com (Dono.)
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 by: Dono. - Sun, 19 Dec 2021 20:59 UTC

On Sunday, December 19, 2021 at 12:38:13 PM UTC-8, Richard Hachel wrote:
>snip cretinisms<

You post cretinisms and you wonder why they are....cretinisms?

Re: [SR] Aberration of the position of the stars at zenith

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From: r.hac...@tiscali.fr (Richard Hachel)
 by: Richard Hachel - Sun, 19 Dec 2021 21:23 UTC

Le 19/12/2021 à 21:59, "Dono." a écrit :
> On Sunday, December 19, 2021 at 12:38:13 PM UTC-8, Richard Hachel wrote:
>>snip cretinisms<
>
> You post cretinisms and you wonder why they are....cretinisms?

LOL.

Il s'agit de fait connus et enseignés par les relativistes eux-mêmes.

Je ne fais que montre qu'on peut avoir le même résultats qu'eux avec une
RR plus simple à enseigner.

J'ai la même chose lorsque je calcule l'avancée relativiste du
périhélie de mercure.

Je trouve comme eux, mais de façon différente, une avancée de 43
secondes d'arc par siècle.

Sans même passer par la RG. C'est un simple problème de disque tournant
et de RR.

Légère contraction radiale du disque virtuel qu'est l'orbite de cette
planète.

J'ai donné les équation du disque relativiste tournant il y a fort
longtemps. Elles sont simples et du niveau lycée.

R.H.

Re: [SR] Aberration of the position of the stars at zenith

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Subject: Re: [SR] Aberration of the position of the stars at zenith
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 by: Python - Sun, 19 Dec 2021 21:29 UTC

Richard "Hachel" Lengrand wrote:
> Le 19/12/2021 à 21:59, "Dono." a écrit :
>> On Sunday, December 19, 2021 at 12:38:13 PM UTC-8, Richard Hachel wrote:
>>> snip cretinisms<
>>
>> You post cretinisms and you wonder why they are....cretinisms?
>
> LOL.
>
> Il s'agit de fait connus et enseignés par les relativistes eux-mêmes.
>
> Je ne fais que montre qu'on peut avoir le même résultats qu'eux avec une
> RR plus simple à enseigner.
>
> J'ai la même chose lorsque je calcule l'avancée relativiste du périhélie
> de mercure.
>
> Je trouve comme eux, mais de façon différente, une avancée de 43
> secondes d'arc par siècle.
> Sans même passer par la RG. C'est un simple problème de disque tournant
> et de RR.
> Légère contraction radiale du disque virtuel qu'est l'orbite de cette
> planète.
>
> J'ai donné les équation du disque relativiste tournant il y a fort
> longtemps. Elles sont simples et du niveau lycée.

Why are you lying Richard Lengrand? Does it make you feel better?

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