The universe began with the Big Bang about 13.8 billion years ago. The observable universe is what we can see from Earth, limited by the speed of light. The observable universe's radius is ...
Back in 2018, a team of astronomers and astrophysicists measured all of the light in the history of the observable universe. Marco Ajello, an astrophysicist at Clemson University, led the team that ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...