太空人

• 大(large person; person with arms spread)RADICAL
• 丶(dot; emphasis mark)ASSOCIATIVE

A person with outstretched arms grows larger with a dot below to emphasize supreme greatness.

• 穴(row; gap)RADICAL
• 工(craftsman; work)PHONETIC

An empty cave with nothing inside is just hollow space.

• 人(person; human (pictographic))ASSOCIATIVE

The character 人 depicts a person standing with legs spread wide apart for stability.