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Browsing tag:

refracción

100ciaSabías que

¿Por qué el cielo es azul? ¿O por qué a veces es rojo?

Las respuestas a ambas preguntas: ¿Por qué el cielo es celeste? y ¿Por qué a veces el cielo es rojo? en ambos casos se debe a nuestra atmósfera. Si estuvieran en la Luna, no observarían ningún color en el cielo, porque no hay atmósfera. Pero en la Tierra hay atmósfera que esparce (desvía o refracta) y refleja la luz sin cesar, conforme pasa a través de las diferentes capas, en su camino desde el Sol ...