I always enjoyed these types of photos. The long exposure images were always very appealing. This image taken from an observatory in the Atacama desert in Chile is very cool. I guess other than the unique image these pictures portray they actually have some astrological importance as well. When understanding the sky and the stars it is sometimes difficult to comprehend them as moving. Its obvious to see the sun as it appears to rotate across our sky, but stars are not as unique and don't have as much as an impact on our minds. These long exposure pictures help instill the idea of stellar motion. This also helps better understand the seasonal positions of constellations and where to identify them in different parts of the night throughout the year.
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