Let's explore comets and asteroids /
Comets and asteroids
Helen and David Orme.
- 1st. ed.
- Tunbridge Wells, Kent : Ticktock Entertainment, 2007.
- 24 p. : ill. (chiefly col ; 27 cm.
- Blast off .
- Orme, Helen. Blast off. .
Includes index.
The solar system -- What is an asteroid? -- Where are asteroids? -- Hunting for asteroids -- What is a comet? -- Where are comets? -- Comets and the Earth -- What can we see? -- Early sightings -- Space missions.
Explains what asteroids and comets are made of and where they come from, describes impacts with Earth, and discusses the history of scientific research into them.