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| Introduction, history and description of comets and their study. Includes photographs and diagrams of comets. | |
| Animations, images and descriptions of the Sun, planets, moons, comets and asteroids. Also covers rocketry, early astronauts, history of space exploration, space missions, and spacecraft. | ||
| Text from a series of educational leaflets covering the structure, characteristics and observation of the moon and all the planets of the solar system. Educational use of the information by private individuals or schools is encouraged. | ||
| A set of images taken by amateur and professional astronomers before, during, and after the collision of over twenty fragments of comet Shoemaker Levy 9 with the planet Jupiter in July 1994. | ||
| Images, animations, and finder charts of current and recent comets. | ||
| Information about the observation and tracking of asteroids and comets. Includes press releases, ephemerides and orbital elements for comets, near earth objects, distant objects and bright minor planets. | ||
| A collection of images of asteroids and comets. Includes Comet Hale Bopp, images from the Hubble Telescope and Asteroid 243 Ida with a moon taken by the Galileo spacecraft. | ||
| Descripton of comets, the history of Hale Bopp, and meteor shower information. | ||
| Documents and images of Comet Hale Bopp, discovered on 23 July 1995 UT by Alan Hale, New Mexico, and Thomas Bopp, Arizona. | ||
| Links to resources about each of the planets, the sun, comets, and asteroids. | ||
| Information about the possibility and effects of a comet or asteroid hitting the Earth. Includes news, press releases, a bibliography, images and list of future close passages of near Earth objects. | ||
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