ESA ExoMars 2016 vibration testing NASA PACE Blog HARP2 Integrates into PACE Observatory So schalten Sie das iPhone im Lautlosmodus vibrieren [Aktualisierte Anleitung] Yes, outer space is completely silent because sound needs a medium, like air, water, or a solid surface, to travel. Sound waves are vibrations that move through particles, but in the vacuum Handy vibriert ohne Grund: 8 Ursachen & Lsungen Low frequency vibration suppression of large inflatable space structures via quasi zero stiffness metamaterials ScienceDirect