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.
It was 25 years ago that Sinéad O'Connor's "Nothing Compares 2 U" started a four-week run at No. 1 on the Billboard Hot 100 singles chart. In honor of the April 21, 1990, anniversary, check out who else produced the top pop hits of 1990.