木卫四

Traditional form:

木衛四

Pinyin (reading):

Mùwèi Sì

Definitions:

• Callisto (moon of Jupiter), aka Jupiter IV

Characters:

• 木 - tree; wood, lumber; wooden
• 卫 - to guard, to protect, to defend
• 四 - four

Traditional characters:

• 木 - tree; wood, lumber; wooden
• 衛 - to guard, to protect, to defend
• 四 - four