Yes, we were learningdid you know that the collective noun for a group of titmice is a dissimulation or a banditry? 네, 저희는 검토 중이었습니다베텔게우스자리가 다시 붉게 보이는 이유는 무엇인가요? Thats right, the red giant star has exhausted its hydrogen fuel and is slowly becoming a white dwarf star as it cools.