A comprehensive look at comets, from man's earliest observations of "hairy stars," to recent sightings of Comet Shoemaker-Levy 9 and Halle-Bopp, to future space missions to study comets in the outer solar system.
A comprehensive look at comets, from man's earliest observations of "hairy stars," to recent sightings of Comet Shoemaker-Levy 9 and Halle-Bopp, to future space missions to study comets in the outer solar system.