Por qu? hay d?a y noche? Porque la Tierra gira sobre s? misma en 24 horas y porque el Sol no puede iluminar m?s que un lado a la vez.El cielo, las estrellas y la noche ilustrado por Christian Broutin, Henri Galeron y Pierre-Marie Valat, es un libro de la colecci?n Altea Benjam?n, la enciclopedia para responder a las preguntas de los ni?os que ya leen solos. ENGLISH DESCRIPTIONWhy is there day and night? Why does the Earth rotate on its axis and comes full circle in 24 hours? Why does the Sun only illuminate one side of the Earth at a time? Fascinating information about space and celestial bodies. It ends with a guide for observing the stars, biographical information on six preeminent astronomers, and poems by Lope de Vega and Jorge Luis Borges.
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