Here are the original photographs and video if you want to see the astronauts' work in context with explanations: http://eol.jsc.nasa.gov/Videos/CrewEarthObserv

Here are the original photographs and video if you want to see the astronauts' work in context with explanations: http://eol.jsc.nasa.gov/Videos/CrewEarthObservationsVideos/ http://eol.jsc.nasa.gov/Videos/CrewEarthObservationsVideos/