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OER Project is a non-profit open educational resources provider co-founded in 2011 by Bill Gates and David Christian.Originally known as Big History Project (BHP), the titular course was intended to enable the global teaching of the subject of Big History, which has been described as "the attempt to understand, in a unified way, the history of Cosmos, Earth, Life and Humanity."
This timeline of the Big Bang shows a sequence of events as currently theorized by scientists. It is a logarithmic scale that shows second instead of second. For example, one microsecond is . To convert −30 read on the scale to second calculate second = one millisecond. On a logarithmic time scale a step lasts ten times longer than the ...
Big History. A diagram of the Big Bang expansion according to NASA. Notable events from the Big Bang to the present day depicted in a spiral layout. Every billion years (Ga) is represented in 90 degrees of rotation. Big History is an academic discipline which examines history from the Big Bang to the present.
Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or " star -forming regions", collapse and form stars. [1] As a branch of astronomy, star formation includes the study of the interstellar medium (ISM) and giant molecular clouds (GMC) as precursors to ...
Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the current age of the universe. The table shows the lifetimes of stars as a ...
Release. November 2. ( 2013-11-02) –. December 28, 2013. ( 2013-12-28) Big History is an American television documentary series narrated by Bryan Cranston, which originally aired on H2 in 2013. It won the 35th Annual News & Documentary Emmy Award for Outstanding Graphic Design and Art Direction. [1]
Pre-20th century. 5th century BC — Democritus proposes that the bright band in the night sky known as the Milky Way might consist of stars. 4th century BC — Aristotle believes the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region ...
David Gilbert Christian (born June 30, 1946), a historian and scholar of Russian history, has become notable for teaching and promoting the emerging discipline of Big History. [2] [3] In 1989 he began teaching the first course on the topic, examining history from the Big Bang to the present using a multidisciplinary approach [4] [5] with the ...
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