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Why is It Dark at Night?

Why is the sky dark at night? You might think the answer is obvious - the sun isn't up! But the only reason the sky looks blue during the day is that sunlight scatters off of the atmosphere -...

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#pretty sky #skynoir #❤️ it #you were the light #but seriously #night & day #light and dark #tiny objects #black light #at night #little black star #whyismyfacelikethat #all black everything #we love black #blue light #Amazing nature and science-y stuff #the world is not enough #blueclearsky #rain or shine kids #night out #24 minutes later #fromlighttodark #Night Watch #i wonder if i can make this a thing #Blue is the Colour #Desde el cielo Sky #reach for the sky #walking at night #rsa_nature #lights all night #why why why #gece #CC SKYE #sky blue #bluesky #dark sky #but I do love the colors #space is neat #HERE & THERE #wonders come true #allblackeverything #why am i tagging this #dayandnight #verygood #miggtout #speedatnight #nigthrun #mustbethemoon #spacelight #infinity x infinity #LE CIEL THE SKY #five year old drawing #The Dark Beyond the Stars #and away we go #night would be enough for me

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Gold Bullion Vault - Tabela Periódica de Vídeos

De algum modo, acho que é um pouco frustrante ver estas barras pq o ouro é um elemento interessante. Tem uma química interessante. E estão aqui paradas, sem fazer nada! É muito impressionante! Mas é...

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