Isaac Asimov
Author
Description
This book begins with the earliest speculations and investigations of matter by the Greeks and Romans, and then, step by step and century by century, it traces the path of discovery that revealed more and more of the nature of the atom, of light, of gravity, or the electromagnetic force and even the nature and structure of the universe. It also encompasses such phenomena as light and electricity; the protons, neutrons, and quarks that are the fundamental...
Author
Series
Pub. Date
1994
Accelerated Reader
IL: MG - BL: 5.7 - AR Pts: 1
Description
Not only is Uranus four times wider than the Earth and 15 times heavier, but it has rings and rolls on its side slowly around the sun, yet turns in one "Uranus day" in less than 17 hours (the Earth's is about 24 hours).
31) Space explorers
Author
Series
Pub. Date
1995.
Accelerated Reader
IL: MG - BL: 5.7 - AR Pts: 1
Description
Explore topics like the first space walk, moon landing, astronaut training and highlights of the upcoming space program.
Author
Pub. Date
[1986]
Description
El hombre se ha dispersado por toda la galaxia. La capital del Imperio es Trántor, nido de intrigas y corrupción. Gracias a su ciencia, fundada en el estudio matemático de los hechos históricos y el comportamiento de las masas, el psicohistoriador Hari Seldon prevé la caída del Imperio y el retorno a la barbarie durante varios milenios. A fin de reducir este período de barbarie a mil años, Seldon decide crear una Fundación en un extremo de...
Author
Series
Robot series volume 4
Pub. Date
1985.
Description
Dr. Kelden Amadiro is determined to bring total annihilation of the planet Earth, but Lady Gladia vows to stop him at any cost and seal Earth's fate and all who live there.