Una serie de encuentros estelares especiales que se entrelazan para contar la historia de las numerosas formas y encarnaciones que adoptan las estrellas. Tanto si quiere conocer el origen de las galaxias como si aspira a entender la complejidad del firmamento nocturno, esta es la guia perfecta no solo para saber que son las estrellas, sino tambien para conocerlas de verdad. Ademas de las estrellas, se incluye la informacion sobre las galaxias en las que residen y el cosmos que iluminan. La humanidad ha observado el final explosivo y devastador de algunas estrellas tanto en tiempos de civilizaciones antiguas como con tecnologias modernas. A traves de las observaciones y los modelos mas avanzados de estos cataclismos, hemos aprendido a interpretar que queda despues de estos estallidos, si es que queda algo; como se formaron los elementos quimicos de este planeta, y cuanto le deben el oro y la plata de la Tierra al final de las estrellas.Hay estrellas que cambian de brillo con el paso del tiempo, algunas a intervalos tan predecibles que hemos logrado utilizarlas como indicadores de distancias dentro de un universo que, gracias a ellas mismas, se nos ha revelado mucho mas grande de lo que creiamos. Las estrellas nos han enseñado que el universo contiene componentes invisibles mucho mas abundantes que los que logramos ver, y su brillo nos ha desvelado como se formaron las galaxias y como han ido cambiando con el paso del tiempo cosmico.

This cosmological study presents a universe composed of concentric spheres, with the earth fixed at the center and the heavens moving in eternal circles. Aristotle differentiates the corruptible matter of the earth from the incorruptible "aether" of the stars, establishing a dual physics for the cosmos. The text argues for the finiteness of the universe and explores the properties of heavy and light bodies. It is a grand attempt to systematize the physical structure of the entire universe based on observation and logical deduction.

"One law to rule the stars, the tides, and the falling apple."In The System of the World, Isaac Newton takes his rigorous mathematical proofs and applies them to the vast canvas of the cosmos. This is the work where the abstract becomes tangible. Newton explains with startling clarity how the same force that pulls an object to the ground keeps the Moon in its orbit and the planets in their dance around the Sun. He demystifies the movement of comets, the bulging of the Earth at its equator, and the rhythmic pulling of the tides. It is a foundational text of the Scientific Revolution, representing the moment humanity finally grasped the invisible threads that hold the physical world together.The Unity of the Heavens and Earth: Before Newton, many believed the laws of Earth and the laws of the Heavens were entirely separate. The System of the World shatters this divide. Newtons "Universal Law of Gravitation" proves that the universe is a unified system, predictable and governed by elegant, unchanging laws.A Blueprint for Modern Astronomy: Newton uses this work to calculate the masses of planets and explain the perturbations in their orbits. His insights into the "Great Comet of 1680" proved that even these seemingly chaotic visitors follow the same elliptical paths as the planets, bringing order to the last frontier of the night sky.Why It Is a Scientific Landmark: The System of the World is more than a physics book; it is the birth of the modern world. It moved humanity away from superstition and toward a universe that could be measured, understood, and explored. It is essential reading for anyone who wants to understand the origins of the mechanical age and the leap in logic that allowed us to eventually reach the stars.Witness the logic of the cosmos. Purchase "The System of the World" today.