Scores of missions into outer space have yielded many photographs of inhabited places as seen  from far above the earth.  There are so many remaining unidentified that a Citizen Science project has been initiated for those interested in geography to help analyze and catalog the images, so they can be shared with the public.   Or… do a little ‘armchair travel’ and see the world from space!

Tuesday’s Tip — January 20, 2015 (Cities at Night)