How the solar system was created

The nebular hypothesis says that the Solar System formed from the of a fragment of a giant , most likely at the edge of a . The cloud was about 20 (pc), or approximately 65 (ly) across, while the fragments were roughly 1 pc (~3.26 ly) across. The further collapse of the fragments led to the formation of dense cores 0.01–.
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Earth location in solar system

Earth is the third planet from the Sun with an approximate distance of 149.6 million kilometres (93.0 million miles), and is traveling nearly 2.1 million kilometres per hour (1.3 million miles per hour) through outer space. . Knowledge of the location of Earth has been shaped by 400 years of telescopic observations, and has expanded radically since the start of the 20th century. Initially, was believed to be the ,. . • • • ""• •
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Earth s location in the solar system

Clickable image of the location of Earth. Place the mouse cursor over an area in the image to see the related area name; click to link to an article about the area. . Knowledge of the location of Earth has been shaped by 400 years of telescopic observations, and has expanded radically since the start of the 20th century. Initially, was believed to be the ,. . Earth is the third planet from the Sun with an approximate distance of 149.6 million kilometres (93.0 million miles), and is traveling nearly 2.1 million kilometres per hour (1.3 million miles per. . • • • ""• •
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