The International Dark-Sky Association
JOIN IDA NOW! "Of all the pollutions we face, light pollution is perhaps the most easily remedied."
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Campaign for Dark Skies
WHAT IS SKYGLOW?
On a clear, dark night it’s possible to view somewhere in the region of 4,000 stars. The number of stars we can see at night depends largely on the amount of light we emit from the Earth’s surface.
Mexborough & Swinton Astronomical Society is a Registered Charity in England & Wales, Registered Charity No 1064103.
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