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Title: What do astronomers mean by light pollution? Post by: killian on Apr 29, 2014 What do astronomers mean by light pollution?
A) Light pollution is light from human sources that makes it difficult to see the stars at night. B) Light pollution is a type of air pollution created by lightweight gases such as hydrogen and helium. C) Light pollution means contamination of light caused by chemicals in the Earth's atmosphere. D) Light pollution is a term used to describe the appearance of the sky in regions that are crowded with stars. Title: Re: What do astronomers mean by light pollution? Post by: padre on May 14, 2014 Content hidden
Title: Re: What do astronomers mean by light pollution? Post by: killian on May 14, 2014 Thanks sir, this is for my astronomy class
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