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From: hertz778@gmail.com (rhertz)
Newsgroups: sci.physics.relativity
Subject: Relativity and the nature of light. Waves or =?UTF-8?B?cGFydGljbGVzPw==?=
Date: Tue, 15 Oct 2024 20:52:20 +0000
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This is a comparison of einstenian and newtonian kinematics. In the
moving frame, the distance (0, x') is measured from an observer at the
origin of the frame at rest.

CASE: Light moving from 0 to x' in the moving frame.

----------------------------------------------------------------------
Einstein SR. Light behave as wave, and c is the maximun speed.

c (t₁ - t₀) = c Δt₁₀ = v Δt₁₀ + x'  ; PERCEIVED by observer at rest (no
speed addition).
(c - v) Δt₁₀ = x'  ;  Δt₁₀ = x'/(c - v)  ; Mathematical time dilation
(by calculation).
c Δτ₁₀ = c (τ₁ - τ₀) = x'  ; Δτ₁₀ = x'/c  ; MEASURED by observer in the
moving frame

Δt₁₀ and Δτ₁₀ are different and depend on the observer location.

-----------------------------------------------------------------------

Newton. Light behave as corpuscles (photons?). It's allowed c + v

(c + v) Δt₁₀ = v Δt₁₀ + x'  ; PERCEIVED by observer at rest (addition of
velocities)
(c + v) Δt₁₀ - v Δt₁₀ = x'  ;  Δt₁₀ = x'/c  ; No time dilation (by
calculation).
c Δτ₁₀ = x'  ; Δτ₁₀ = x'/c  ; MEASURED by observer in the moving frame

Δt₁₀ and Δτ₁₀ are equal for observers at rest or moving at v speed.

---------------------------------------------------------------------

In astronomy (Cassini, others), there are evidences that radar-ranging
experiments with Venus and Mars, the speed of light is added to the
speed v (between Earth and these planets). Known since 1965.

That c+v is possible destroys relativity and cosmology, as Hubble's
results have to be RE-INTERPRETED.

It's hard for relativists to accept this, as 110 years of lies with
einstenian physics COLLAPSE completely.