Charles L. Fontenay, Blow the Man Down
“ Albrekt stared at him, uncomprehending."A sailing ship doesn't need fuel because it gets its power from the wind," said Carrel. "Neither do we, now. I'm afraid that story I told you about dangerous radiation from Jupiter was made up of whole cloth, Albrekt. There isn't any."That lithium hemisphere we built isn't a shield. It's a sail.""But there's no wind—there's no air—""The wind that blows between the worlds," said Carrel solemnly. "Solar radiation. Its pressure will move a ship if you provide a sail that's big enough and light enough—and that's what we did." ”
