Tsaro na sararin sama

Tsaro mai duhu (DSP) yanki ne, yawanci kewaye da wurin shakatawa ko wurin kallo, wanda ke ƙuntata ko rage gurɓataccen haske ko kiyayewa da kare sararin samaniya mai duhu. An yi amfani da kalmomi daban-daban don bayyana waɗannan yankuna kamar yadda kungiyoyi da gwamnatoci na ƙasa suka yi aiki da kansu don ƙirƙirar shirye-shirye. DarkSky International (DarkSky) yana amfani da "International Dark Sky Reserve" (IDSR) da "International dark Sky Park" (IDSP) da sauransu yayin tabbatar da Dark Sky Places.

 Tarihi 
An kafa DarkSky International a cikin 1988 don adana ƙasa ta jama'a ko mai zaman kanta don hangen nesa na yankuna na dare da sararin samaniya. Ana kiyaye adana kayan duhu-sama musamman don al'adunsu, kimiyya, halitta, ko darajar ilimi da jin daɗin jama'a.

A cikin shekara ta 2007, Cibiyar Kula da Labaran Mont Mégantic a Quebec ita ce shafin farko da aka tabbatar da shi a matsayin Babban Birnin Dark Sky na Duniya ta DarkSky .  A wannan shekarar, Natural Bridges National Monument a Utah ya zama na farko na Dark Sky Park. Gabriela Mistral Dark Sky Sanctuary a cikin Kwarin Elqui na Chile an sanya shi a matsayin wuri na farko na duniya na Dark Sky Santuary a cikin 2015.

Tsaro mai duhu, ko ajiyar duhu, ya kamata ya kasance mai duhu don inganta ilimin taurari. Yarjejeniyar hasken wuta don adana sararin sama mai duhu ya dogara ne akan ƙwarewar dabbobin daji ga Hasken wucin gadi da dare.

Kanada ta kafa ma'auni mai zurfi da tsauri don adana sararin samaniya, wanda ke magance hasken wuta a cikin adana sarari mai duhu da tasiri daga skyglow daga birane a yankin. Wannan ya dogara ne akan aikin Royal Astronomical Society of Canada .

 Wuraren Sama Masu Duhu 
Shirin DarkSky International's Dark Sky Places a halin yanzu yana ba da nau'ikan sunaye guda biyar: 

 Al'ummomin Dark Sky na Duniya - Al'ummomi birane ne da garuruwa da aka tsara bisa doka waɗanda ke karɓar ƙa'idodin hasken waje masu inganci kuma suna yin ƙoƙari don ilimantar da mazauna game da muhimmancin sararin samaniya.
 Gidan shakatawa na Dark Sky na Duniya - Gidan shakam na jama'a ne ko wuraren zaman kansu da aka kare don kiyayewa na halitta wanda ke aiwatar da hasken wuta mai kyau na waje da samar da shirye-shiryen sararin samaniya mai duhu ga baƙi.
 International Dark Sky Reserves - Reserves sun ƙunshi wani yanki mai duhu "core" wanda ke kewaye da yankin da ke da yawan jama'a inda ake aiwatar da kula da manufofi don kare duhu na core. Wadannan shafuka an kafa su ne ta hanyar haɗin gwiwar manajojin ƙasa da yawa.
 Gidajen Tsaro na Duniya - Gidajen tsarkakewa sune wurare mafi nisa (kuma sau da yawa mafi duhu) a duniya waɗanda yanayin kiyayewa ya fi rauni. Keɓewar ƙasa na waɗannan wurare yana iyakance damar samun damar, don haka an tsara wannan ƙaddamarwa don ƙara wayar da kan jama'a game da waɗannan shafuka da inganta kiyaye su na dogon lokaci.
 Urban Night Sky Places - Wadannan wurare ba su cancanci a cikin wani rukuni ba amma an san su da kokarin da suke yi na ilimantar da jama'a game da fa'idodin hasken waje mai kyau wanda ke tabbatar da aminci yayin rage yiwuwar cutar ga yanayin dare na halitta. Urban Night Sky Places na iya zama wuraren shakatawa na gari, sararin samaniya, ko irin waɗannan kadarorin kusa ko kewaye da yanayin birni, amma wanda shiryawa da ƙirar sa ke inganta ainihin kwarewar dare a tsakiyar hasken wucin gadi.

 Dubi kuma 

 Tafiya ta taurari
 Mai shayarwa
 Ilimin halittu na Scotobiology
 DarkSky International
 Motsi na Dark-Sky
 Yankin Rediyon Kasa na Amurka

 Manazarta