Here are your Anthony's Weather Quiz answers!
The latest research shows they are not created by engine combustion, which was previously thought. The first requirement is the clouds have to be vertically thin. Researchers then discovered that the clouds usually form beneath C-130 planes (shown below). Beneath the wings of these planes temperatures are around 14 degrees warmer than the rest of the plane and surrounding environment. This temperature difference creates a dry punch of air falling from the sky evaporating the clouds beneath.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Whatever their reasons, more than a few stars have decided to walk away from their chosen fields only to get the itch and return -- some more than once. Take a look at some celebrities who have "unretired."