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Nemesis The Sun Evil Twin

   2011    Science
The theory of NĂ©mesis, a star that orbits the Sun and causes catastrophic events is explored. Nemesis is a hypothetical red dwarf or brown dwarf, originally postulated in 1984 to be orbiting the Sun at a distance of about 95,000 AU (1.5 light-years) somewhat beyond the Oort cloud, to explain a perceived cycle of mass extinctions in the geological record, which seem to occur more often at intervals of 26 million years.
Series: The Universe

Deep Freeze

   2012    Science
There is an extraordinary range of temperatures in the universe. This program examines the extreme lower temperature range, the temperature we live in and below, explaining how cold is essential for the formation of habitats suitable for life. Explore icy planets and moons, discover the role of cold in the Universe, and learn about the importance of ice to the development of habitable worlds.
Series: The Universe

Follow This
Follow This

   2018    Medicine
Top Gear
Top Gear

   2012    Technology
Alien Worlds
Alien Worlds

   2020    Science
Chef's Table
Chef's Table

   2017    Art
Ice Age Giants
Ice Age Giants

   2013    Science
Senna
Senna

   2010    Culture
Inside the Medieval Mind
Inside the Medieval Mind

   2008    History
Rise of Empires: Ottoman
Rise of Empires: Ottoman

   2020    History