Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower....

Rocks collected recently in the Moroccan desert fell to Earth during a meteor shower last July.

Late Friday night, Earth will sail through debris left by the comet 209P/LINEAR. Scientists are calling the shower the Camelopardalids.