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A comment on United States National Radio Quiet Zone. Parent comment
Optical astronomy had a great thing going in the days when most light pollution came from low-pressure sodium vapor lamps—that's comparatively easy to filter out. Radio astronomy isn't so lucky.
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Optical astronomy had a great thing going in the days when most light pollution came from low-pressure sodium vapor lamps—that's comparatively easy to filter out. Radio astronomy isn't so lucky.