Is it truly dark at night? Or do we need to ask why space is dark? Minute Physics gives us another wonderfully quick answer that is simple to understand why the night sky seems to be dark.
Channels: Scientific Animations Physics (General) Astrophysics Mathematics
Tags: sky space big bang stars Hubble night
Uploaded by: AlbertoFe ( Send Message ) on 07-02-2013.
Duration: 3m 52s