An imaginary journey to Mars provides facts about the planet's year, atmosphere, size, gravity and geography, and suggests some of the questions scientists would want to answer if they were to travel there.

Did you know that Mars looks like a bright red star? It is sometimes called the Red Planet. Find out more in Mars, a Planets book. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with embedded weblinks, audio and video clips, activities, and other features, such as a slide show, matching word activity, and quiz.

¿Sabías que Marte parece una estrella roja brillante? A menudo se lo llama el Planeta Rojo. Descubre más cosas en Marte, uno de los libros Los planetas. Did you know that Mars looks like a bright red star? It is sometimes called the Red Planet. Find out more in Mars, a Planets book.