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Impact Crater
 
A crater on Earth's moon

The crew members of Apollo 11 photographed this large crater as they circled the moon in 1969. Image Credit: NASA

      a hole made by the impact of a meteorite




Sentences:
The largest impact crater NASA has discovered in the solar system was found on Mars.

The first impact crater recognized on Earth is in Arizona.



More Information:
http://neo.jpl.nasa.gov/images/meteorcrater.html   →
http://apod.gsfc.nasa.gov/apod/ap990711.html   →