Using big telescopes, astronomers see millions of galaxies out there – and they just keep going, in every direction
universe
They used the European Southern Observatory's Very Large Telescope (ESO's VLT)
The change could be far more fundamental, suggesting for instance that Einstein’s general theory of relativity could need replacing
The concept of a parallel universe has been around since the early 1960s, mostly in the minds of fans of sci-fi TV shows and comics
One black hole is nice, but astrophysicists can do a lot more science with 50 of them
All-sky surveys usually take years. This one took weeks
Reality seems all the more crazy than sci-fi movies
Such an event may be occurring in the center of our galaxy
In total matter –the stuff from which humans & objects on Earth are made– makes up around a third of the total matter & energy in the universe
“When we talk about the temperature in a room, that’s not the way a scientist would talk about it"