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Subject: Re: Relativistic aberration
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Date: Fri, 02 Aug 24 21:52:01 +0000
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From: Richard Hachel <r.hachel@wanadou.fr>
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Le 02/08/2024 à 21:49, "Paul.B.Andersen" a écrit :
> Den 01.08.2024 23:03, skrev Richard Hachel:
> The rocket will see the supernova
> an angle 12.7⁰ from the x-axis.
> (From Earth the supernova is seen in the direction 37⁰ from the x-axis)

 Absolutely.

 We have cos α = 12000/15000 = 0.8    ---> α ~ 37°

 Ans we have  cos α' = 40000/41000 = 0.9756 ---> α' ~ 12.7°

 Note :
 cos α' = (cosα+v/c)/(1+cosα.v/c) 
 cos α' = (0.8+0.8)/(1+0.8*0.8)=0.9756 

 All is correct. 

 R.H.