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how the earth was made premiered as a 90-minute documentary special, narrated by Edward Herrmann, that aired on the History Channel on December 16, 2007, and focused on the geological history of Earth. The History Channel released the original documentary film to Region 1 DVD through Warner Home Video on April 15, 2008, and to Blu-ray through A ...
DRDC Toronto is a research and development organisation for integrated human effectiveness, science and technology (S&T) in defence and national security. It provides the Canadian Forces (CF), government agencies, academia, and industrial clients with an internationally recognized combination of expertise and research facilities.
Located in Alberta, the DRDC Suffield Research Centre is a Canadian centre of excellence for chemical and biological defence and has research programs in blast, casualty management, and autonomous systems. The centre’s work feeds into the combined national effort to keep Canada and the Canadian Armed Forces (CAF) safe from the devastating ...
The 2007 episode "Krakatoa's Revenge" of The History Channel's disaster-themed documentary series Mega Disasters features the volcano's active history and imminent future. [13] The 2009 episode "Krakatoa" of History's geology-based documentary series How the Earth Was Made also chronicles the geologic history of Krakatoa. [14]
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Earth formed about 4.54 billion years ago by accretion from the solar nebula, a disk-shaped mass of dust and gas left over from the formation of the Sun, which also created the rest of the Solar System. Initially, Earth was molten due to extreme volcanism and frequent collisions with other bodies.
The Kids of Degrassi Street (1987–91) Kitty Cats (1992–98) Look and Learn (1971–83) Manfred (1992–93) The Magic Roundabout (1971–76) Math Wise (1982–89) Mister Rogers' Neighborhood (1972–89) More Books from Cover to Cover (1987–92) Moschops (1986–87; 1989) Mr Majeika (1992–93) The Nargun and the Stars (1990–92) New Zoo ...
The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth