04 APR 2015 by ideonexus
Literature About Exploration
This is an infinitely marvelous and beautiful universe which we are privileged to inhabit. Look inward to the molecules of life and the heart of the atom, or outward to moon, sun, planets, stars, the Orion Nebula where new suns and worlds are coming into being even as you watch, the Andromeda Nebula which is actually a whole sister galaxy: it is all the same cosmos, and every part of it is part of us. The elements of our flesh, blood, bones, and breath were forged out of hydrogen in stars lon...18 JAN 2013 by ideonexus
The Story of How the Universe's Size was Determined
It was into this fiery climate of the 1920s that the Protestant-raised Hubble, adorned with the cape, cane, and British accent he had adopted while at Oxford, returned after the war. He arrived at the Carnegie Institution of Washington-funded Mount Wilson Observatory outside Pasadena, California, insisting on being called "Major Hubble."^'' Looking through the great Hooker telescope—at one hundred and one inches in diameter and weighing more than one hundred tons it was by far the largest and...Includes a cautionary tale of Shapely, who helped prove the Sun was not the center of the Universe, but who thought the Milky Way was all the Universe there was without empirical data.
16 MAY 2012 by ideonexus
Simple Laws Produce Complex Phenomena
But the most impressive fact is that gravity is simple. It is simple to state the principles completely and not have left any vagueness for anybody to change the ideas of the law. It is simple, and therefore it is beautiful. It is simple in its pattern. I do not mean it is simple in its action—the motions of the various planets and the perturbations of one on the other can be quite complicated to work out, and to follow how all those stars in a globular cluster move is quite beyond our abilit...Gravity is simple and elegant, but it produces immensely complex interactions of objects in the Universe.