Theideaofnot-so-far-awayfaintgalaxies(producingthislight)isoffbyafactorofabout
Theideaofnot-so-far-awayfaintgalaxies(producingthislight)isoff
byafactorofaboutten,whilethe'distantgalaxies'hypothesisis
offbyafactorofaboutathousand."问:off的意思是不是被抛弃?被1/10的因素抛弃是什么意思