Deep Impact

Leo Beiderman is a 14 years old adolescent. He is a astronomy fanatic and member of the club of astronomy of his high school to which participates equally Sarah Hotchner, his beloved. During an evening of observation, the photography that he takes with his little telescope grants him the discovery of a new comet that will be named comet of Wolf-Beiderman... Scientists are formal, the comet of Wolf-Beiderman will enter in collision with the earth in one year...