The distant Universe, as viewed here through the plane of the Milky Way, consists of stars and galaxies, as well as opaque gas and dust, going back as far as we can see. But beyond the last star in the Universe, there’s still more light. Image credit: 2MASS.

Science uncovers the origin of the first light in the Universe

‘Let there be light’ isn’t just biblical. It’s science.

Ethan Siegel
7 min readJul 7, 2017

--

“By its very nature science knows no boundaries. Walling off any group, for any reason, from full participation damages the entire enterprise of science. We must be scientists without borders.” -Rocky Kolb

--

--

Ethan Siegel
Starts With A Bang!

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.