Sometimes they ask the question ‘out loud’ and other times they just ‘think it’ and wonder.
It’s a good question.
And it is important to know the answer.
Because knowing whether this event really happened or is just a fable has a lot to do with what your ‘world view’ will be.
AIG (Answers in Genesis) has published several books which answer this and many other questions.
The answer to this specific question is in Chapter 28 of The New Answers Book 2. HERE’S THE LINK