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Humanity and the Weather

General Pollution Facts

What is light pollution?

While not harmful to people or other living things, light pollution is an annoyance to astronomers. Light from cities makes it difficult to see stars and other heavenly bodies at night, which is why observatories are stationed on top of mountains and hills outside of urban areas. It is also why space observatories such as the Hubble Telescope are so important for astronomers.



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