Recent content by perfectobsession2004

Thank you.

I just look at a rocket leaving his lunch pad. Vapor condensate spin around the rocket. at 0:40

Merci for the other thread! Now, I have to be more specific about my interrogations! Suppose, in free space with no other gravitational field, we have a photon and a photon's stream which is a succession of photons as near to be considered as a continuous line of photons. First, at the...

Bonjour, We can see light emitted by a star which is effectively behind a gravitational mass. Ok! The light path will curve. Or the light path will be as straight as the space surrounding the gravitational mass. Ok! My question is: When two parallel beams are emitted in the same parallel...