Which gases are used in street lamps,and why certain gases are chosen for certain locations?
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Answer:
Here in Southern California, we use high-pressure sodium lamps that glow yellow, because it cuts down on light pollution. This is done both to cut down light pollution for us people, and also because we have a number of important, large astronomical observatories that were being blinded by the common mostly-white street lights. But instead of rambling on, check out the links below, they have all the information you'll ever need.
Earth Man at Yahoo! Answers Visit the source
Other answers
Here in Southern California, we use high-pressure sodium lamps that glow yellow, because it cuts down on light pollution. This is done both to cut down light pollution for us people, and also because we have a number of important, large astronomical observatories that were being blinded by the common mostly-white street lights. But instead of rambling on, check out the links below, they have all the information you'll ever need.
Earth Man
sodium vapor is used in some, these show through fog easily others are halide lamps there are others
science teacher
idk....
Megan
sodium vapor is used in some, these show through fog easily others are halide lamps there are others
science teacher
idk....
Megan
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