400 Years Of The Telescope
Focuses on the telescope's impact on astronomy and the three historical periods in its development.
Program website: http://www.400years.org/
EPISODES
OPB Plus
Note: Only episodes available from 60 days in the past to 60 days in the future are displayed.
TONIGHT'S HIGHLIGHTS:
OPB : Invasion of the Giant Pythons
Predatory pythons slithered into the wilderness of Florida's Everglades National Park and thrived.
OPB : Extreme Cave Diving
A team of scientists dive into Blue Holes, underwater caves that formed during the last ice age.
OPB : Coal
Examine the complex issues surrounding the question of whether or not to build coal export terminals in the Pacific Northwest.
OPB : Beneath the Surface
Dive beneath the surface with EarthFix to learn about the unseen dangers and their impacts on area fisheries, marine life and tribal communities.
