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Auroras: Fire in the Sky

Auroras: Fire in the Sky

Paperback

Environmental StudiesPhysics

Currently unavailable to order

ISBN10: 022810064X
ISBN13: 9780228100645
Publisher: Firefly Books
Published: Sep 1 2018
Pages: 144
Weight: 1.55
Height: 0.50 Width: 9.90 Depth: 9.90
Language: English

A celebration of nature's spectacular lightshows, and a visual feast documenting the kaleidoscopic colors that decorate the sky.

For millennia, humans have been fascinated with the ghostly green and red curtains of light that shimmer across the heavens on dark, clear nights. Ancient peoples saw these displays as souls of the dead, the torches of the spirits and as harbingers of war. Barely 100 years ago, scientists finally learned that an aurora is created when the Earth's magnetic field is bombarded with charged particles from the sun. When the charged particles collide with oxygen in the atmosphere, auroras with yellows, greens and reds appear. Collisions with nitrogen result in bluish colors. However, our understanding of the physics behind auroras has not detracted from their wonder.

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Environmental Studies