The Story of Astronomy by L. Motz, J. Weaver

By L. Motz, J. Weaver

Hint the improvement of astronomy from early Greek stargazers to the bold pioneers: Brahe, Copernicus, Kepler, and Newton - who braved persecution and mock to struggle for a technology that relied no longer on historical gurus and scriptures, yet on common sense, math, and cautious commentary. As Motz and Weaver express, the culmination of this noble pursuit - the based, basic common legislation - opened our eyes to the elusive rotations of the heavenly our bodies, and gave upward thrust to classical physics, and, eventually, the energetic, thriving technology of astronomy this present day. those attractive authors move directly to depict the intense revolution in astronomy that shattered classical physics and reworked our innovations of time, area, and topic. starting with Einstein's idea of relativity, Motz and Weaver have fun and appreciate the 20 th century's maximum advances in physics, chemistry, and arithmetic, each one of that have dramatically reshaped sleek astronomy.

Show description

Read Online or Download The Story of Astronomy PDF

Best physics books

Granular Gases

"Granular Gases" are diluted many-particle structures within which the suggest unfastened direction of the debris is way greater than the common particle dimension, and the place particle collisions ensue dissipatively. The dissipation of kinetic strength can result in results equivalent to the formation of clusters, anomalous diffusion and attribute surprise waves to call yet a number of.

Cosmic Explosions in Three Dimensions: Asymmetries in Supernovae and Gamma-Ray Bursts (2004)(en)(3

Highlights regimen supernova polarimetry and new insights into center cave in and thermonuclear explosions.

Molecular Magnets: Physics and Applications

This booklet offers an outline of the actual phenomena came upon in magnetic molecular fabrics during the last twenty years. it really is written by way of prime scientists having made an important contributions to this lively zone of analysis. the most subject matters of this publication are the rules of quantum tunneling and quantum coherence of single-molecule magnets (SMMs), phenomena which transcend the physics of person molecules, similar to the collective habit of arrays of SMMs, the physics of one-dimensional single–chain magnets and magnetism of SMMs grafted on substrates.

Additional resources for The Story of Astronomy

Example text

The sun rose without fail every day as did the stars. Everything seemed to repeat itself in a precise period to which a definite integer could be assigned. This regularity led the Pythagoreans to the concept of cosmic harmony; indeed, Pythagoreans introduced the word "cosmos" to designate the universe. They were convinced that numbers would lead them to a complete understanding of cosmology and reveal the basic unifying cosmic principle. The Pythagoreans were encouraged in their search for harmony in the universe by Pythgoras' discovery that the most harmonious sounds, pleasing to the ears, are those whose vibrations are related to each other in simple numerical ways.

Born in Nicaea, Bithynea, in about 190 BC, Hipparchus spent most of Ms life in Rhodes, one of the most prominent states of Greece. Like Alexandria, Rhodes was a center of intellectual life with great activity in literature, astronomy, and mathematics. The only writing of Hipparchus still extant is his book written ARISTARCHUS TO PTOLEMY 41 in 140 BC in which he expounded upon the importance of a continuous pursuit of accuracy in tracing the apparent motions of the sun and the planets, particularly the apparent motion of the sun.

This means that the length of the earth's circumference is as many times larger than 5000 stadia as 360 degrees is larger than 7 degrees. Because 7 degrees is contained in 360 degrees slightly more than 50 times, Eratosthenes concluded that the earth's circumference equals about 250,000 stadia. 7 feet. Eratosthenes's circumference calculation is thus 24,662 miles, which is remarkably close to the accepted value today. , measure or estimate) the "dimensions of the world," We have already mentioned that Anaximander proposed that the sun's distance is 27 times that of the earth's radius and that the moon's distance is 19 times that of the earth's radius.

Download PDF sample

Rated 4.56 of 5 – based on 32 votes