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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&E Home Video on May 26, 2009. [1] [2] The television series premiered on February 10, 2009. Each 45-minute episode focuses on different geologic features and processes of the Earth. The first season ...
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 itself.
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.
It examines how deposits of minerals and fossil fuels form; how soil forms, is eroded, and is distributed by the wind; river deltas; oil exploration and oil drilling; the development of an airborne imaging spectrometer aboard a C-130 Hercules aircraft; how scientists use studies of the Earth's mineral and energy sources to analyze the history ...
Several unanswered questions remain, including whether Earth was a full "snowball" or a "slushball" with a thin equatorial band of open (or seasonally open) water. The Snowball Earth episodes are proposed to have occurred before the sudden radiations of multicellular bioforms known as the Avalon and Cambrian explosions ; the most recent ...
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Scientists have found a new Earth-like planet that could support alien life – just 40 light-years away.. The planet is a remarkable discovery in the search for habitable worlds: it is slightly ...
The five standard episodes depict the evolution of life on Earth in perspective with our place in the universe - from the simplest microbes to the complexity and diversity that is found on the planet today. The entire 5-hour series Miracle Planet aired on Discovery Channel in Canada on April 22, 2005 as an Earth Day special. The music was ...