Astronomy - Crash Course
网页Introduction to Astronomy: Crash Course Astronomy #1. In 46 episodes, Phil Plait (aka The Bad Astronomer) teaches you astronomy! This course's content is loosely based on an introductory university-level curriculum.
Crash Course Astronomy - PBS
网页The Earth: Crash Course Astronomy #11. Ep11 | 10m 13s. Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.
Introduction to Astronomy: Crash Course Astronomy #1 - YouTube
网页Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with a...
Astronomy - YouTube
网页In 46 episodes, Phil Plait (aka The Bad Astronomer) teaches you astronomy! This course starts with the astronomical observations we can make with the naked e...
Crash Course Astronomy: Season 1 Episodes - PBS
网页The Big Bang, Cosmology part 1: Crash Course Astronomy #42 Ep42 | 13m 9s Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING!
Galaxies, part 1: Crash Course Astronomy #38 - YouTube
网页Galaxies, part 1: Crash Course Astronomy #38. The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of...
The Big Bang, Cosmology part 1: Crash Course Astronomy #42
网页2015年12月10日 · The Big Bang, Cosmology part 1: Crash Course Astronomy #42. Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and...