Gamma ray bursters are great distances from Earth, yet earth reveives tremendous amount of energy from then. Explain
A- Gamma ray bursters are supermassive stars, equivalent to 1000,000 ordinary supernovae
B- The gamma ray burster represents the explosion of an entire galaxy.
C- The energy is released along jets rather than uniformly in all directions. If earth is in the path of one of these jets we see a famma ray burster
D- the gamma radiation from a bursteris relesased in all directions, butthen it is focused in the direction of the eartb by gravitational lensing.