💥 Mercury & Neptune 💥
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.
Differences
Distance from Sun
Neptune - the farthest planet
Mercury - the closest planet
about 36 million miles
about 2.8 billion 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
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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.
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