If no particle can escape from a black hole, how does quantum mechanics (which postulates gravitons) explain that a black hole’s gravitational field extends beyond its event horizon? If the force of gravity is transmitted by an exchange of gravitons, they’d have to escape from the black hole. I know they’re massless, but so are [...]
Akshay Verma asks: "i want to know, why we can’t see the stars, towards the horizon? but we can see stars towards the zenith? please answer me, i am gonna ask this to my teacher as well." Ans: Such an observation occurs at twilight. The main culprit here is the comparative greater distance of horizon … Continue reading Why we can’t see the stars, towards the horizon?