Luz Y Sombra

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

This book introduces readers to what it means to celebrate Divali, and shows them why this holiday is special.

Más de 80 fotografías, 20 mapas y diagramas en color * En los próximos diez años, el planeta Marte entrará en un periodo de observación excepcional: se aproximará mucho a la Tierra y presentará un brillo y un diámetro aparente sobresalientes, por lo que será fácil observarlo con sencillos instrumentos astronómicos. Con el fin de que los astrónomos aficionados puedan disfrutar al máximo de la actualidad de Marte, esta guía establece de forma clara y concisa cuáles so los conocimientos actuales acerca del planeta rojo y ofrece consejos útiles para una mejor observación a lo...

In This Title Students Will Learn In Depth Information About The Three Layers Our Earth Is Made Of. Introduces Students To How The Tectonic Plates, Wind, And Water Are Constantly Changing Our Landscape. Gives Detailed Information On How Scientists Think Our Earth Was Formed And Has Evolved.