Space alien radio signal:
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Space explosions
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Engine noise, Spaceship in flight
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Comet
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Conversations of a small crowd of aliens at
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Laser weapon shot
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Work, Alien device, start, stop
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Space station generator
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Space, Space
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Spaceship, stop, engine start
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Charging a laser weapon, shot
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Alien conversation
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Technical compartment, Inside the spacecraft
★★★★★