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His 1919 manuscript (considered a classic of 20th century rocket science) stills reads well today. "A Method of Reaching Extreme Altitudes". https://t.co/xj3QmKl4qx
His 1919 manuscript (considered a classic of 20th century rocket science) stills reads well today. "A Method of Reaching Extreme Altitudes". https://t.co/xj3QmKl4qx