Skip to comments.Astronomy Picture of the Day -- Star Trails over El Capitan
Posted on 03/21/2014 6:04:24 AM PDT by SunkenCiv
Explanation: Towering 3,000 feet from base to summit, the famous granite face of El Capitan in Earth's Yosemite National Park just hides the planet's north celestial pole in this skyscape. Of course, the north celestial pole is at the center of all the star trails. Their short arcs reflecting the planet's daily rotation on its axis are traced in a digital stack of 36 sequential exposures. Linear trails of passing airplane navigation lights and a flare from car lights along the road below are also captured in the sequential stack. But the punctuated trail of light seen against the sheer El Capitan itself follows a climbing team on the night of November 8, 2013. The team is ascending toward the summit along The Nose, a historic rock climbing route.
(Excerpt) Read more at 126.96.36.199 ...
[Credit & Copyright: Michael Bolte (UCSC)]
“What have you been doing lately?”
“Oh, I climbed up The Nose of El Capitan.”
“I didn’t know you went on a Mexican cruise.”
It’s beautiful, and the neatest part is the light from the climbing team.
Two APODs today. Thank you, Mr. Civilizations.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.