Explanation: An ancient tree seems to reach out and touch Earth's North Celestial Pole in this well-planned night skyscape. Consecutive exposures for the timelapse composition were recorded with a camera fixed to a tripod in the Yiwu Desert Poplar Forests in northwest Xinjiang, China. The graceful star trail arcs reflect Earth's daily rotation around its axis. By extension, the axis of rotation leads to the center of the concentric arcs in the night sky. Known as the North Star, bright star Polaris is a friend to northern hemisphere night sky photographers and celestial navigators alike. That's because Polaris lies very close to the North Celestial Pole on the sky. Of course it can be found at the tip of an outstretched barren branch in a postcard from a rotating planet.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: star trail - north pole - severnyi polyus - sledy zvezd Publikacii so slovami: star trail - north pole - severnyi polyus - sledy zvezd
Sm. takzhe: Kosmos v otrazheniyah Zvezdnye zavitki Polyarnaya zvezda i sled komety ZTF Sledy zvezd i molnii nad Pireneyami Korni vo vrashayusheisya planete Vetryanaya mel'nica i sledy zvezd Doroga na sever Vse publikacii na tu zhe temu >>