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Why the speed of light is constant for every observer ? Is it a special thing for photons cause I guess there's no other elementry particle that can move with c ?
Also I want to investigate the constant of c for every observer, in the perspective of particle relationship.
For example, can I say "If a particle has zero mass, then all observers will see its speed as c"
(Of course this will be true for, If there's other particles that has zero mass. If not can we assume ?)
Or this statement is only true for photons.
And why such number ##(c=299,792,458 \frac {m} {s})## ? How would be the physics laws worked if c was so small or very large ?
Also I want to investigate the constant of c for every observer, in the perspective of particle relationship.
For example, can I say "If a particle has zero mass, then all observers will see its speed as c"
(Of course this will be true for, If there's other particles that has zero mass. If not can we assume ?)
Or this statement is only true for photons.
And why such number ##(c=299,792,458 \frac {m} {s})## ? How would be the physics laws worked if c was so small or very large ?
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