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Title: What appears to be the origin of the light, grooved terrain on the surface of Ganymede? Post by: doit_the_clown on Mar 18, 2017 What appears to be the origin of the light, grooved terrain on the surface of Ganymede?
A) Impacts by cometary debris B) Cracking of the surface caused by shrinkage of the moon as it cooled C) Cracking of the icy surface, releasing water that expanded as it froze into ice D) The flow of water on the solid surface of the moon at some time in the past, which subsequently shrunk as it froze into this distinctive terrain Title: Re: What appears to be the origin of the light, grooved terrain on the surface of Ganymede? Post by: papachulo on Mar 18, 2017 Content hidden
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