2 Trillion Galaxies

And Quantum

Brian Cox, physicist and professor from the School of Physics and Astronomy at the University of Manchester often talks about the scale of the known universe. 2 trillion galaxies each with billions of stars like the Milky Way with an estimated 400 billion. And that’s the ‘known’ universe.

The largest star (Stephen 2-18) known, at a radius of 1.4958 bill…