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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

Dynamic Genomes Series
Dynamic Genomes Series

   2019    Medicine
Top Gear
Top Gear

   2012    Technology
Reel Rock
Reel Rock

   2014    Culture
Ancient Greece
Ancient Greece

   2013    History
Vegan
Vegan

   2019    Culture
Frozen Planet
Frozen Planet

   2011    Nature