How is light in outer space created?

The exact same way it's created everywhere. By the conversion of matter into electromagnetic energy in the visible spectrum. In our case, by our Sun, which is essentially a huge fusion reactor emitting all sorts of energy all over the spectrum that we perceive as light. read more

The outer space is not distinct from some"inner" space. We all reside in space, alongside moon, Sirius and Andromeda galaxy. Th most widely accepted theory currently is the Inflation theory, which is like a refined version of the Big Bang theory. read more

Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies. Outer space is not completely empty—it is a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays. read more