Trama
This book presents scientifically, and playfully, the activity and composition (nucleus, tail, coma, and period, among others) of a typical comet (Halley) in a language accessible to children, young people and adults.
This book presents scientifically, and playfully, the activity and composition (nucleus, tail, coma, and period, among others) of a typical comet (Halley) in a language accessible to children, young people and adults.