Ganymede Is One of the Largest Moons in the Solar

question 93

Essay

Ganymede is one of the largest moons in the Solar System. It shows some terrain that is ancient and heavily cratered, younger terrain with less craters, but no terrain that is free of craters. Why would Ganymede's geologic activity stop?

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Definitions:

Differentiation

Differentiation is the process by which cells or tissues undergo a change towards a more specialized form or function during development.

Neuroglia

Nervous system cells that assist neurons and facilitate their function in a variety of ways.

Nervous Tissue

Animal tissue composed of neurons and neuroglia; detects stimuli and controls responses to them.