A Brief History of TimeRandom House Publishing Group, 1998 M09 1 - 240 páginas #1 NEW YORK TIMES BESTSELLER |
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... neutrons were “ elementary " particles , but experiments in which pro- tons were collided with other protons or electrons ... neutron contains two down and one up . We can create particles made up of the other quarks ( strange , charmed ...
... neutron stars existed . A neutron star has a radius of about ten miles , only a few times the critical radius at which a star becomes a black hole . If a star could collapse to such a small size , it is not unreasonable to expect that ...
... neutrons , held together by the strong force . Particle accelerator : A machine that , using electromagnets , can ... neutron star that emits regular pulses of radio waves . Quantum : The indivisible unit in which waves may be emitted ...
Contenido
Our Picture of the Universe | 1 |
Space and Time | 15 |
The Expanding Universe | 37 |
Derechos de autor | |
Otras 15 secciones no mostradas
Otras ediciones - Ver todas
A Brief History of Time: From the Big Bang to Black Holes Stephen Hawking,Carl Sagan Vista de fragmentos - 1990 |
Términos y frases comunes
Referencias a este libro
Qualitative Data Analysis: A User-friendly Guide for Social Scientists Ian Dey Sin vista previa disponible - 1993 |
Postmodern Public Administration: Toward Discourse Charles J. Fox,Hugh T. Miller Vista de fragmentos - 1995 |