Acomet's nucleus can be over 1 au long : select one:
true
false

False

Explanation:

As we know that the conversion of 1 AU in the unit of kilometer as,

And also we know that the comets is not of mostly of large size. There are majority of comets which have the nucleus of in the range of ten kilometers or we can say that 6 miles.

Therefore, by the above discussion it can be say that the comet's nucleus cannot be exceed over the range of 1 AU.