General relativity teaches us that actuality is, in some sense, a matter of perspective. Think about how someone who is “falling” into a black hole sees one thing fully completely different to an observer making an attempt to observe that somebody cross the occasion horizon, a black gap’s edge.
The individual truly making the transition past this level of no return gained’t see something uncommon, though they are going to discover gravity is getting stronger and stronger. Against this, the observer will discover that regardless of how lengthy they watch, the individual by no means appears to really cross the occasion…