

Exoplanets: Crash Course Astronomy #27
Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.
Exoplanets: Crash Course Astronomy #27
Season 1 Episode 27 | 11m 49s
Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. Exoplanets appear to orbit nearly every kind of star, and we've even found planets that are the same size as Earth. We think there may be many billions of Earth-like planets in our galaxy.
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.
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