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Stories by Russell L. Schweickart, Edward T. Lu, Piet Hut and Clark R. Chapman

The Asteroid Tugboat

To prevent an asteroid from hitting Earth, a space tug equipped with plasma engines could give it a push

November 1, 2003 — Russell L. Schweickart, Edward T. Lu, Piet Hut and Clark R. Chapman
Stories by Russell L. Schweickart, Edward T. Lu, Piet Hut and Clark R. Chapman

Stay Ahead of the Curve

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