Startrails

 

Stratrails reflect Earth’s rotation movement, that is faster than most of us think (460 m/s). As you see stars apparently lined with Earth’s axis (Polaris at North), you believe stars are moving around this point. It’s an optical effect. Actually stars move but not around Polaris.:
La Tierra tiene un movimiento de rotación que es más veloz de lo que imaginamos. El “Startrail” nos permite ver el movimiento aparente de las estrellas alrededor de la Polar a lo largo de un periodo de tiempo conocido.  La Tierra tiene un movimiento de rotación más veloz de lo que imaginamos (460 m/s)

 

Click to enlarge and scroll.

Clicka para ver en grande.

 

 

 

 

icono volver 01

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