Laser weapon shot:
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Space alien radio signal
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Time travel, Cosmic sounds, black hole
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Spacecraft landing
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Spaceship in flight, engine noise
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Drone, Spaceship flies by, identification
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Space explosions
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Spaceship flies by
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Fast moving, Space, swoosh
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Start, work, Alien device, stop
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Spacecraft hatch opens, closes
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Space station generator
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Doorbell, spacecraft signal
★★★★★