Sunset Arch

December 27, 2003


Provided by: Philippe Hillion
Summary authors & editors: Jim Foster; Philippe Hillion

The above photo was taken in early June from Mennecy, France (near Paris) at 9:30 p.m. local time. The Sun had just set and is illuminating the veil of clouds that gracefully arch over the already darkened landscape. Once the Sun dips a few degrees below the horizon, only clouds above about 5,000 ft (1,540 m) are sufficiently high to embrace the day's last glimmer of sunlight. Typically, the higher the cloud, the longer it will retain twilight colors.

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