Bookcover of Near-Earth Supernova
Booktitle:

Near-Earth Supernova

Light-year, Biosphere, Supernova, Gamma ray, Terrestrial planet

TurbsPublishing (2013-01-10 )

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ISBN-13:

978-613-9-14173-9

ISBN-10:
6139141737
EAN:
9786139141739
Book language:
English
Blurb/Shorttext:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A near-Earth supernova is an explosion resulting from the death of a star that occurs close enough to the Earth (roughly less than 100 light-years away) to have noticeable effects on its biosphere. On average, a supernova explosion occurs within 10 parsecs of the Earth every 240 million years. Gamma rays are responsible for most of the adverse effects a supernova can have on a living terrestrial planet. In Earth's case, gamma rays induce a chemical reaction in the upper atmosphere, converting molecular nitrogen into nitrogen oxides, depleting the ozone layer enough to expose the surface to harmful solar and cosmic radiation. Phytoplankton and reef communities would be particularly affected, which could badly deplete the base of the marine food chain.
Publishing house:
TurbsPublishing
Website:
http://www.betascript-publishing.com
Edited by:
Erik Yama Étienne
Number of pages:
152
Published on:
2013-01-10
Stock:
Available
Category:
Astronomy
Price:
49.00 €
Keywords:
Planet, Ray, Gamma, Supernova, Biosphere, Light-Year, Terrestrial

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