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6.2: Equinoccio y Solsticio

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    106708
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    En particular, el ángulo entre el eje de la Tierra y la línea Tierra-Sol cambia a lo largo del año. Dos veces al año, en el equinoccio de primavera y otoño (alrededor del 21 de marzo y el 22 de septiembre, la fecha exacta puede variar un poco) las dos direcciones son perpendiculares.

    Dos veces al año, el ángulo es lo más grande que puede llegar, en los solsticios de verano e invierno, cuando alcanza los 23.5 grados. En el solsticio de verano (alrededor del 21 de junio) el polo norte se inclina hacia el Sol, en el solsticio de invierno (alrededor del 21 de diciembre) se aleja de él.

    Temporadas 2
    Figura\(\PageIndex{1}\): Invierno y verano en el hemisferio norte.

    Veamos primero el verano, con el Sol a la izquierda.


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