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The aurora borealis, or northern lights, left many watchers in awe as pink and purple hues painted the southern night sky. "I’m truly in awe that I’m seeing the Northern Lights in FLORIDA!
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. Different terms have been used to describe these areas as national ...
In 2009, the United States Dark Sky Week becomes International Dark Sky Week [13] [14] 8 2010 13–14 April [15] [16] 9 2011 3 April The world's first International Dark Sky City was founded in Flagstaff, AZ [17] [18] 10 2012 21 April 11 2013 10 April 12 2014 April 20–26 29 April [19] 13 2015 April 13–18 18 April
In 2024, the meteor shower peaked on the night of Aug. 11-12. What causes the Perseid meteors? The Perseids originate from comet 109P/Swift-Tuttle, which takes 133 years to orbit the sun.
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Starlight overcast moonless night sky [1] 140 microlux: Venus at brightest [1] 200 microlux: Starlight clear moonless night sky excluding airglow [1] 10 −3: 1 millilux: 2 millilux: Starlight clear moonless night sky including airglow [1] 10 −2: 1 centilux: 1 centilux: Quarter Moon 10 −1: 1 decilux: 2.5 decilux: Full Moon on a clear night ...
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