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Earth Features

You can identify features by examining their appearance in the photographs and then comparing them to maps of the same area. In addition, many features are identified on the back of each color photograph. 

[[image]]      [[image]]      [[image]]     [[image]]
mountains     agriculture       clouds   urban development 

Image Identification Number

NASA uses image identification (ID) numbers, such as STS089.ESC.07154137 or STS051G-41-66, to identify each photograph taken from the Space Shuttle. These numbers contain information about when and how the photograph was taken. For example, the image identification number of an EarthKAM photograph has three parts:
 
• the Shuttle mission (e.g., STS089),

• the type of camera (e.g., ESC for Electronic Still Camera), and 

• the time (e.g., 07154137-the photograph was taken 07 days, 15 hours, 41 minutes, and 37 seconds after the Shuttle launched). 

You should always record the image ID number for any photograph you study. 

Location

Latitude and longitude are provided on the back of each color photograph. These coordinates pinpoint the center of the photograph and can locate the area on a map. (Small maps also appear on the back of the photographs to help you get started.) By comparing the photograph and maps, you can (a) identify the features shown and (b) learn about the area in, and surrounding, the photographs. 

[[image]]

North

For the color photographs, the top of the page is NOT north. When possible, the back shows black and white versions of the photographs rotated so the top is north. This will help you (a) align the photos with maps and (b) identify directions, such as which was a river is flowing or the wind is blowing.

Exploring Earth From Space             Student Information Sheet - 2