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:explode: Mercury & Neptune :explode:, coggle - Coggle Diagram
:explode: Mercury & Neptune :explode:
Similarities
Weak shields
both have weak magnetic fields, making them vulnerable to the Sun's blasts
Bumpy past
both were pummeled by space rocks leaving cratered surfaces.
Lack a solid surface
Neptune - a gas giant doesn't have a solid surface at all.
Mercury - has a very thin outer shell and a molten core.
Differences
Distance from Sun
Neptune - the farthest planet
about 2.8 billion miles
Mercury - the closest planet
about 36 million miles
Size
Neptune - the gas giant
Mercury - the smallest planet
Temperature
Neptune's a constant freeze
Hot & cold extremes on Mercury
Surface
Swirling gas on Neptune
Rocky and cratered on Mercury
