15.8 billion light-years This is obtained in the same way as the 13.8-billion-light-year figure, but starting from an incorrect age of the universe that the popular press reported in mid-2006.
158億光年 依照和138億光年半徑相同的算法得出的數字，只不過用了2006年中旬媒體所報導的不正確的宇宙年齡數字。