A comet doesn't actually make a sound in space — but in cinematic language it absolutely does, and the convention has been a deep airy whoosh that drops in pitch as it passes. This take builds that convention cleanly: 11 dedicated comet pass-by, with a long approach drone fading up over twenty seconds, the ion-tail sizzle layered underneath, and the slow tail-out where the object continues past camera and the energy bleeds off into nothing. The recording is dry, full-range and bus-friendly for further design work.
Trailer editors reach for this kind of pass-by on title-card transitions where a static logo needs an event behind it. Game cinematics use it on space-establishing wide shots because the cue covers the visual without needing extra Foley. Astronomy documentary beds work with it pitched down half an octave under narration about deep-space objects — the slight motion gives voice-over something to ride. Free MP3 download for trailers, game cinematics and astronomy doc beds, no signup or attribution.