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Night or nighttime (sp. night-time or night time) is the period of time between the sunset and the sunrise when the Sun is below the horizon.
This occurs after dusk. The opposite of night is day (or "daytime" to distinguish it from "day" as used for a 24-hour period). The start and end points of time of a night vary based on factors such as season, latitude, longitude and timezone.
At any given time, one side of the planet Earth is bathed in light from the Sun (the daytime) and the other side of the Earth is in the shadow caused by the Earth blocking the light of the sun. This shadow is called the umbra. Natural illumination is still provided by a combination of moonlight, planetary light, starlight, diffuse zodiacal light, gegenschein, and airglow. In some circumstances, bioluminescence, aurorae, and lightning can provide some illumination. The glow provided by artificial illumination is sometimes referred to as light pollution because it can interfere with observational astronomy and ecosystems.

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  1. dojiijii

    Smith & Wesson Chief's Special CS9 9mm Automatic with Night Sights

    Very nice Chief's Special CS9 subcompact 3rd generation Smith & Wesson. DA/SA pistol with ambidextrous slide mounted safety/decocker. This gun has been upgraded with Meprolight night sights and grip tape below the trigger guard. Includes four magazines (three 7 round mags plus one 8 round mag...
  2. E

    Sig P238 Bitonal. Comes with three holsters, one factory, one leather, one kydex. Sig Night sights,

    Beautiful little .380. This gun is a soft shooter and super fun and accurate. Comes with three holsters, one factory, one leather, one kydex. Sig Night sights, G10 aftermarket grips. Two magazines. $500 takes it and I'll split transfer fee at gun shop close to me in SW Portland. I just don't use...
  3. S

    GLOCK 21 GEN 4 w Night Sights

    Original owner purchased with polymer GLOCK sights. Upgraded to GLOCK night sights approximately 1yr ago. The pistol is otherwise 100 percent stock and unmolested. I purchased a GLOCK holster and two mag pouches (included) with the intent of carrying it outdoors. Reality check; probably not...
  4. kummje

    New Nighthawk Trijicon 1911 adjustable NS

    Nighthawk customs Trijicon 1911 adjustable tritium night sights. Never installed. They are the mid cut dovetail they fit any 1911 without a short Novak dovetail 179.99 new 125.00 obo
  5. Workerbee33

    Ar15 with gen 2+ night vision scope

    I have a clean fde ar15 built with good components and less than 50 rounds thru it. Shilen .223 1/8 wylde barrel, aero upper/lower , bcm fore grip, atn night vision wifi/gps scope with a very nice and bright infrared light. Not interested in any trades unless you have a drz/klx 110. You cover...
  6. lilsqueve2003

    Changed post.

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