Space alien radio signal:
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Approach, shutdown, Jetpack
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Spaceship in flight, engine noise
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Spacecraft door opens, closes
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Space explosions
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Space station generator
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Gaining power, hyper, Rumble of a spaceship
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Spacecraft engine jamming
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Spacecraft signal, Doorbell
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Cosmic sounds
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Lasers, Space wars, blasters
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Laser weapon shot
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Spacecraft control panel
★★★★★