Doorbell, spacecraft signal:
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Conversations of a small crowd of aliens
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Spaceship flies by
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Space station generator
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Spaceship in flight, low frequency drone
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Drone, Alert signal on a spaceship
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Cosmic wind
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Space Station Control Room
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Jetpack, approach, shutdown
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Spaceship, exit from hyper jump, landing,
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Faulty spacecraft engine
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Take-off of two spaceships
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Conversations of a small crowd of aliens at
★★★★★