已知的可見的宇宙，460億光年範圍內，估計有10的82次方個原子。這數字和10的475次方比起來是什麽感覺？

 

http://www.universetoday.com/36302/atoms-in-the-universe/
At this level, it is estimated that the there are between 10 to 78 to 10 to 82 atoms in the known, observable universe.

 

As stated already, this estimate accounts only for the observable universe which reaches 46 billion light years in any direction, and is based on where the expansion of space has taken the most distant objects observed.

 

已知的可見的宇宙，460億光年範圍內，估計有10的82次方個原子。
隻是估計。但這個數字和10的475次方比起來是什麽感覺？