And so, in the last few billion years, they've actually lost their tuning, quite a bit more than TRAPPIST has, and so what we're going to do is go back in time and imagine what they would've sounded like just as they were forming.
وهكذا في آخر ملياري عام، فقدت الكواكب ضبطها، أكثر من ما حدث في نظام ال TRAPPIST، لذا سنعود في الزمن ونتخيل كيف كان يبدو صوتهم من قبل أي خلال تشكلهم.