Our family enjoys stargazing with our telescope, a gift from my grandfather, when we go camping.
identify the nonessential appositive phrase.
a gift from my grandfather
our family
with our telescope
when we go camping

An appositive phrase "renames" a noun: here the telescope is being "renamed" as "the gift from my grandfather", and this is also the nonessential appositive phrase. (as in: it can be left out!)


so: a gift from my grandfather

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.