Space alien radio signal:
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Swoosh, fast moving, Space
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Identification, Spaceship flies by, drone
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Comet
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Closes, Spacecraft hatch opens
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Spaceship flies by, laser gun shot
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Shot, Charging a laser weapon
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Lands, Spacecraft flies up
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Spacecraft landing
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Alert signal on a spaceship, drone
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Charging a laser gun, shot
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Stop, work, start, Alien device
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Countdown, spacecraft launch
★★★★★