Glowing Heavens Above Cacti on Incahuasi Island Bolivia

by James Brunker

Title

Glowing Heavens Above Cacti on Incahuasi Island Bolivia

Artist

James Brunker

Medium

Photograph - Photograph

Description

The Milky Way's Galactic Centre above giant cacti on Incahuasi Island in the middle of the Salar de Uyuni in south west Bolivia. The glow above the skyline in the centre of the image is the Zodiacal Light, which is produced by sunlight reflecting off dust particles in the Solar System. It is visible along the ecliptic during the spring and autumn months before dawn or after sunset (which depends whether you are in the Northern or Southern Hemisphere). The greenish colour in the sky is airglow or nightglow, caused by various processes in the upper atmosphere (including cosmic radiation, ionization of atoms by the sun's radiation and others).

The Salar de Uyuni is the world's largest salt flat, covering 10,582 square km / 4,086 square miles. The cacti, which have been lit by small LED panels, are Echinopsis atacamensis (pasacana subspecies). They grow in Bolivia and northern Argentina and are common in the region. In the cold dry climate they only grow at approx 1cm a year, the tallest are well over 10m high......

Photograph © James Brunker. Reproduction, transmission or use in any form (print, website, etc) without prior written permission strictly prohibited.

Uploaded

January 5th, 2018

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