木卫一

Traditional form:

木衛一

Pinyin (reading):

Mùwèi Yī

Definitions:

• Io (moon of Jupiter), aka Jupiter I

Characters:

• 木 - tree; wood, lumber; wooden
• 卫 - to guard, to protect, to defend
• 一 - one; a, an; alone

Traditional characters:

• 木 - tree; wood, lumber; wooden
• 衛 - to guard, to protect, to defend
• 一 - one; a, an; alone