Hoto - NASA
Hasken Arewa sune mafi kyawun yanayi na hunturu. Wani abin kallo da 'yan kasar Kanada zasu iya morewa yan awanni kadan bayan faduwar rana da wancan NASA ta ɗauki hoto tare da »band-night band (DNB) na kayan aikin VIIRS ɗin ku (Visible Infrared Imagin Radiometer Suite, ko Visible Infrared Radiometer a cikin Spanish) na tauraron dan adam na Suomi NPP.
DNB tana gano alamun haske marasa haske kamar auroras, hasken iska, ƙoshin gas, da hasken wata. A wannan lokacin, ya hango wani hadari mai iska a arewacin Kanada.
Ta yaya auroras ke faruwa?
Auroras al'amuran al'ada ne na sandunan, arewa da kudu. Lokacin da suka faru a sandar kudu, ana kiran su da kudu auroras, kuma idan suka faru a sandar arewa, kamar hasken arewa. Dukansu faruwa yayin da iskar rana tayi karo da maganadisun Duniyar. A yin haka, makamashi yana mikewa kuma ya tattara a ciki, har sai layukan maganadisu sun sake haduwa kuma ba zato ba tsammani sun sake shi, suna tura electrons din zuwa duniyar.
Da zarar waɗannan ƙwayoyin sun yi karo da ɓangaren sama na sararin samaniya, abin da muke kira aurora ake samarwa, wanda shine ke haifar da sararin samaniyar yankuna masu launin.
Bidiyon Hasken Arewa a Kanada
Yanzu da yake mun san yadda ake kera su, mu more su. Muna iya yin nesa da sandunan, amma aƙalla za mu sami bidiyo koyaushe. Kuma tabbas wannan yana da ban sha'awa sosai:
Mutanen Kanada suna da, ba tare da wata shakka ba, farkon farkon lokacin mafi sanyi na shekarar mafi kyawun launuka da birgewa, ba ku tunani? Hasken Arewa yana jan hankali sosai, saboda kun san cewa, idan kun yi sa'a idan kun gansu, abin da ya fi dacewa shine zasu ba ku mamaki. Motsawarsa da launinsa kamar ana ɗauke su ne daga mafarki, wanda, sa'a, gaskiya ce.