Changes

On Ganymede, "bright terrain" is land which is lighter than other regions on this moon.  Bright terrain is often associated with grooves, and dark terrain is often associated with furrows.<ref>[http://solarsystem.nasa.gov/dictionary/index.cfm?Display=Dictionary&Letter=B NASA Dictionary].</ref>   

On Ganymede, "bright terrain" is land which is lighter than other regions on this moon.  Bright terrain is often associated with grooves, and dark terrain is often associated with furrows.<ref>[http://solarsystem.nasa.gov/dictionary/index.cfm?Display=Dictionary&Letter=B NASA Dictionary].</ref>   

==References=

==References==

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[[Category:Astronomy]]

[[Category:Astronomy]]