Physicists say Universe could be filled with invisible “Boson Stars”
And they could weigh millions of times what a normal star does
Astronomers observed the closest pair of supermassive black holes to Earth ever
They used the European Southern Observatory's Very Large Telescope (ESO's VLT)
Two Black Holes are merging at the center of a distant Galaxy
But astronomers aren’t holding their breath: They expect the meeting won’t happen for another 100.000 years...