Scientists have significantly narrowed down the possible mass range of the elusive Higgs boson particle, predicted to exist by the standard model of particle physics.
Prometheus' gravitational pull sloshes ring material around, creating wake channels that trigger the formation of objects as large as 12 miles in diameter.
Either a merging of the two central black holes from the colliding galaxies or more gas falling onto the black hole caused the spin axis to jerk around to its present direction.