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.
Nos últimos miles de millóns de anos, perderon a sintonía máis do que o fixo TRAPPIST, así que imos volver atrás no tempo e imaxinar como soarían cando se formaron.