But the alarming thing is that astronomers recently have been studying stars that are similar to our Sun, and they've found that a number of them, when they're about the age of our Sun, brighten by a factor of as much
Pero lo alarmante es que los astrónomos recientemente han estado estudiando estrellas similares a nuestro sol, y encontraron que un número de ellas, cuando tienen alrededor de la edad de nuestro sol, se abrillantan por un factor