BSL Astronomy – light pollution

Light pollution
Light pollution refers to the poorly directed
use of artificial outdoor light at night.

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BSL Sign Languages
of light pollution

(BSL Version)
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BSL Explanation
of light pollution

(BSL Version – Glossary of Astronomy)
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Glossary of Astronomy – light pollution

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  • any light that escapes upward will scatter throughout the atmosphere and brighten the night sky, thereby diminishing the view of it.

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