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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

Tales by Light Season 2
Tales by Light Season 2

   2017    Nature
D-Day
D-Day

   2013    History
The Story of China
The Story of China

   2016    History
The Wehrmacht
The Wehrmacht

   2007    History
Neanderthal
Neanderthal

      History
Science and Islam
Science and Islam

   2017    History
Wonders of Life
Wonders of Life

   2013    Science