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.
Distances: Crash Course Astronomy #25
Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.
Distances: Crash Course Astronomy #25
Season 1 Episode 25 | 11m 20s
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and the sizes of the Moon and Sun.
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