El cielo nocturno

This Ever Popular Subject Is Explained In Detail In This Wonderful Book. How The Earth Is Made From Rock, The Three Different Types Of Rock And How They Are Made And Where They Can Be Found. Talks About How Fossils Are Formed From Sediment And What Role That Plays In Helping Us Learn About Life Long Ago. Talks About How These Fossilized Plants And Animals Became The Fossil Fuels That Are So Important To Our Present And Future Life On Earth.

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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...

Diego de Torres (1694-1770) ha pasado a la historia como el creador de uno de los textos más importantes de la literatura española, Vida, ascendencia, nacimiento, crianza y aventuras de Don Diego de Torres Villarroel.

El mundo de los libros es un mundo casi de otro mundo. Un mundo propio, mundo único, un mundo sostenido por el tenue hilo de una inspiración y un sujeto inspirado. Pero “el libro” posee en su interior big bangs semánticos que no paran de generar universos por doquier. Universos donde viajar, donde aprender, donde disfrutar y donde perderse. En esta breve obra hablaremos en primer lugar del libro. Qué es, cómo se concibe y, sobre todo, como es percibido por doctos e indoctos. Luego pasaremos a examinar de cerca a aquellos que aman tanto los libros que sufren una enfermedad de afecto...