... The ongoing loss of a dark night sky for much of the world?s population is a growing, serious issue that impacts not only astronomical research, but also human health, ecology and ecosystems, safety and security, and energy conservation. ...
... orbit represents a discrete energy level; the lowest energy levels are those closest ... energy the photon contains, the electron might move up one, two, a few, or many ... Each bump is a step from a higher energy orbit to a lower energy one. ...
... It is doomed to remain a dark, dismal stellar wanna-be -- a so-called brown dwarf. ... much smaller, Earth would have been a dark, dead world; much larger, and Earth would ...
... The ongoing loss of a dark night sky for much of the world's population is a growing, serious issue that impacts not only astronomical research, but also human health, ecology and ecosystems, safety and security, and energy conservation. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/74/uitc74.pdf -- 990.6 Кб -- 02.10.2012 Похожие документы
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