rocket, the main thing that flies in the sky, Robert H. Goddard, who invented rockets, V2 missile, the first rocket that went to space, 1926, which years was rockets invented on, burn fuel, what does a rocket do, more thrust, What do rockets need to fly in space?, 12 April 1961, when was the first time a human went to space, Yuri Gagarin, who is the first person to go to space, Laika, who is the first animal to go to space, 1942, what year did the first rocket go into space

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