Authentic outer space signal sound effects perfect for sci-fi projects and cosmic storytelling. This collection features multiple variations of outer space signal sounds with durations ranging from 4 to 6 seconds: Outer Space Signal (0:05) Outer Space Signal (0:05) Outer Space Signal (0:05) Outer Space Signal (0:04) Outer Space Signal (0:06) Don't forget to stop by my profile for more great SFX.