What happens when a photon reaches the "edge" of the universe?
2983
Shape of the universe?
61618
Could the missing antimatter lie outside the observable universe?
58042
Redshifting of Light and the expansion of the universe
75070
Will the CMB eventually recede outside our observable universe?
116871
Do photons take all paths or not?
84049
Where does matter go after reaching singularity in uncharged black holes?
78223
How does a photon travel through glass?
95674
Expansion of the Universe, will light from some galaxies never reach us?
102774
What happens when an electric charge crosses the event horizon?
146562
What happens when a photon hits a beamsplitter?
16748
What happens if light/particles exceeded the speed of light for a particular medium?
81969
What if the universe is rotating as a whole?
139551
A Light is shone out the side window of a spaceship ( moving close to light speed ), will the light still travel at the speed of light in the B axis?
148805
When light reflects off a mirror, does the wave function collapse?
21069
What happens to photons after they hit objects?
24227
Does someone falling into a black hole see the end of the universe?
34626
How does the propagation of gravity work for photons?