Space alien radio signal:
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Cosmic wind
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Spaceship in flight, low frequency drone
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Start, stop, Alien device, work
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Jetpack, shutdown, approach
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Exit from hyper jump, landing,, Spaceship
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The drone and the silence of an alien device
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Laser weapon shot
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Lasers, blasters, Space wars
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Space alien radio signal
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Alien conversation
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Identification, drone, Spaceship flies by
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Spacecraft hatch opens, closes
★★★★★