Earth photographed by the Apollo 17 crew on 7 December 1972. A living world with a thin bright band of air around it. NASA.

Could We Live There?

What does a world need?

NASA / Apollo 17

Begin with airLook at other worlds
Eve reads: The question.
Words Eve reads

Could we live there? What does a world need? Earth is the world a child can test. The others sit beside it so the question can change shape. People living there, and life existing there, stay two questions. Begin with air.