La tierra y la importancia del agua

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Dirigido a lectores infantiles, este libro se caracteriza por captar efectivamente la atención y el interés de sus pequeños lectores gracias a una presentación gráfica realmente espectacular. Aprovechando la gran cantidad de imágenes sobre temas de astronomía disponibles en la actualidad, las cuales tienen además una alta resolución y una impresionante calidad, el libro despliega un atractivo repertorio gráfico para ilustrar temas apasionantes tales como las naves espaciales y las actividades y desafíos que caracterizan la labor de los astronautas. El contenido se concentra en...

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

Una mujer que intenta olvidar un amor llega a La Hague, un pueblo de la Normandía francesa, donde podrá reconciliarse con su vida gracias a Lambert, un hombre obsesionado con la inexplicable muerte de sus padres y su hermano Théo en un naufragio, cuando las luces del faro se apagaron una noche sin aviso. En La Hague todos afirman que Théo ha muerto, pero Lambert está convencido de que aún vive.