Part 2

"Twenty years? Supplies--"

"There'll be plenty. Don't you know about Pluto? Didn't those craters, those old volcanoes, tell you?"

Thinking of how he had crossed the crater, Wofforth shuddered.

"Pluto is colder than anybody even guessed--outside. But inside are the internal fires--like all the solid planets. We made our tests and we can tap them. I kept the instruments for that. It means we'll have power, and can make our synthetic foods and so on for as long as we need them. You and I are the inhabitants here--"

He stumbled to a chair and sat. "Twenty years--" he said.

Her arm was still around him. Her hair brushed his cheek. "It won't be long. We have so much to say to each other."