This sudden event won't just take them away from their daily lives, it will also take them away from the coming of the Great Tribulation and massive trouble and destruction for earth.

Everyone left behind will go through this trauma, wondering what happened to the others who were raptured.

It's a popular idea—one that's been turned into movies and best-selling books picturing suddenly driverless cars crashing into one another and pilotless airplanes falling from the sky. The images are striking and the lesson strong: Be a good Christian, and you will be raptured and saved from destruction.

But is it true?