Books  Physical Sciences  Cosmology & Astronomy 

Auroras: Fire in the Sky

Art / Photobook

By: Dan Bortolotti and Yuich Takasaka

143 pages, 80+ colour photos

Firefly Books

Hardback | Sep 2011 | #197118 | ISBN-13: 9781554076819
Availability: Usually dispatched within 4 days Details
NHBS Price: £19.95 $24/€22 approx

About this book

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.

"Auroras" is filled with 80 photographs of one of nature's greatest spectacles, complete with captions that reflect on the folklore, science and beauty of the northern lights. The book poses and answers the many scientific questions about auroras:

- Why are auroras usually seen only at high latitudes?
- How do scientists study them?
- What causes the different colors?
- Why are massive auroras often followed by blackouts and computer system crashes?

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Dan Bortolotti is a writer and editor whose work has appeared in many magazines, including "Equinox", "Canadian Geographic" and "OWL". He is the author of "Exploring Saturn".

Yuichi Takasaka is a photographer and videographer who emigrated from Japan more than 20 years ago and became captivated by the spectacular night sky of the Far North. Today, his all-season images of the aurora borealis are world-renowned.

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