This medication can cause a serious decrease of a certain type of white blood cells (neutropenia). To make sure you have enough white blood cells, your doctor will order lab tests before starting and while your are taking clozapine. Neutropenia may lower your ability to fight infections.
The Orbital Debris Problem. There are currently over thirteen thousand satellites and other large objects in orbit around the Earth, and there are countless smaller pieces of debris generated by spacecraft explosions and by collisions between satellites.
Understanding the three parts of the comet is essential to know what are comets made of. Here is an article with a little more detail. Here on Universe Today there is a great article on a comet/asteroid hybrid. Astronomy Cast has another outstanding episode about solar dust.hey are composed of rock, dust, ice and frozen gases such as carbon monoxide, carbon dioxide, methane, and ammonia. Sometimes called dirty snowballs, recent studies have shown that the ice of a comet is covered by a crust.