Crash Course Astronomy - Season 1 Episode 42 The Big Bang, Cosmology Part 1

Name: Crash Course Astronomy
Genre: Documentary
Released: 01 Jan 1970
Rating: 3
Cast: Phil Plait

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Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a bang.

First Air Date : Jan 15, 2015

Last Air date : Dec 24, 2015

Episode : 46 Episode

Season : 1 Season

Runtime: 12:14 minutes

Studio: YouTube

Country:

Cast: Phil Plait

Crew: Phil Plait (Writer)

Documentary astronomy