"In my defense... I saw 'Bring It On'..." -Anonymous Board Writer
Question #25539 posted on 06/06/2006 3:01 a.m.

Dear 100 Hour Board,

Why do planes occaisionally make white streaks in the sky, and why doesn't it happen all the time?

- the pope

A: My Dearest Fellow Practitioner of Priestcraft,

These streaks are called contrails. A simple search on Wikipedia will answer all your questions.

-The Right Reverend Rusky Roo