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A dark sky has become a rare commodity in the United States, but parks all across the country still offer stunning views of the cosmos and astronomy events of all varieties. Light pollution is one ...
The Bortle dark-sky scale (usually referred to as simply the Bortle scale) is a nine-level numeric scale that measures the night sky's brightness of a particular location. It quantifies the astronomical observability of celestial objects and the interference caused by light pollution .
A dark-sky preserve status enables high-quality astronomical observation in Paranal Observatory. [1]A dark-sky preserve (DSP) is an area, usually surrounding a park or observatory, that restricts or reduces light pollution or maintains and protects naturally dark night skies.
Yorkshire Dales National Park is the largest Dark Sky Reserve in the UK. With such a huge expanse of unpolluted sky, you can see up to 2,000 stars anywhere in the park – even in the villages ...
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Star hopping is a method often used by amateur astronomers with low-tech equipment such as binoculars or a manually driven telescope. It involves the use of maps (or memory) to locate known landmark stars, and "hopping" between them, often with the aid of a finderscope .
Garage sale in northern California Diverse items bought at a moving sale held in Boise, Idaho. A garage sale (also known as a yard sale, tag sale, moving sale and by many other names [1]) is an informal event for the sale of used goods by private individuals, in which sellers are not required to obtain business licenses or collect sales tax (though, in some jurisdictions, a permit may be ...
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