Critical federal funds have been eliminated for public media. Your donation today keeps us strong.

DONATE NOW

KRMU in Durango, CO is having technical difficulty due to utility power issues at our transmission site. We're working to restore full functionality. Thank you for your patience and understanding!

Stream live and on-demand content now on our new app:
RMPBS+
Crash Course Astronomy show's poster

Galaxies, part 1: Crash Course Astronomy #38

Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.

Galaxies, part 1: Crash Course Astronomy #38

Season 1 Episode 38 | 11m 51s

Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular. Galaxies can collide, and grow in size by eating each other.

Related stories

Science & Environment
Rocky Mountain Biological Laboratory trains the next generation of scientists
Young campers learn from some of the most esteemed researchers in the state surrounded by some of the most pristine learning environments.
 | Chase McCleary
Kids
The Joy of Poison
Theresa goes to the Denver Museum of Nature and Science with Helen and her mom Megan.
 | Theresa Ho
Rocky Mountain PBS
Denver Museum of Nature and Science researchers found that Castle Rock’s durability is due microscopic amounts of the colorful gemstone opal.
 | Chase McCleary

Crash Course Astronomy

Watch more episodes

See more
See more