The Astronomy Book

179 W hile working for Bell Telephone Laboratories in 1930s America, telephone engineer Karl Jansky was given the task of plotti ...

180 AN EXPLOSIVE TRANSITION TO A NEUTRON STAR SUPERNOVAE IN CONTEXT KEY ASTRONOMERS Walter Baade (1893–1960) Fritz Zwicky (1898– ...

181 See also: The Tychonic model 44–47 ■ Quasars and pulsars 236–39 ■ Dark matter 268–71 ■ Dark energy 298–303 ATOMS, STARS, AND ...

182 THE SOURCE OF ENERGY IN STARS IS NUCLEAR FUSION ENERGY GENERATION IN CONTEXT KEY ASTRONOMER Hans Bethe (1906–2005) BEFORE 19 ...

ATOMS, STARS, AND GALAXIES 183 form a helium nucleus with some loss of mass, which was then converted to energy. Eddington thoug ...

184 See also: The Oort cloud 206 ■ Exploring beyond Neptune 286–87 I n 1943, Irish astronomer Kenneth Edgeworth suggested that b ...

185 See also: Spiral galaxies 156–61 ■ Beyond the Milky Way 172–77 ■ Quasars and black holes 218–21 B etween 1940 and 1942, Amer ...

186 THE MATCH OF LUNAR AND EARTH MATERIAL IS TOO PERFECT THE ORIGIN OF THE MOON IN CONTEXT KEY ASTRONOMER Reginald Daly (1871–19 ...

187 See also: The discovery of Ceres 94–99 ■ The composition of comets 207 ■ Investigating craters 212 ■ The Space Race 242–49 A ...

IMPORTANT NEW DISCOVERIES WILL BE MADE WITH FLYING TELESCOPES SPACE TELESCOPES ...

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190 I n 1946, a full 11 years before Sputnik 1, the first satellite, was launched into Earth’s orbit, a 32-year-old astrophysici ...

191 of these kinds of radiation. The waves are absorbed by the air’s molecules, reflected back into space, or scattered in all d ...

192 wavelengths bending more than others. As a result, the straight beam of light that traveled to Earth across the cosmos start ...

193 light, doing much to raise awareness of the advantages of space-based astronomy. Spitzer’s LST aimed to achieve more dramati ...

194 Analysis of the images revealed that the mirror was the wrong shape around the edge. The error was tiny—about 2 millionths o ...

195 journey just 1.5 billion years after the Big Bang. In 2004, the Ultra Deep Field showed objects 13 billion light-years away, ...

196 IT TOOK LESS THAN AN HOUR TO MAKE THE ATOMIC NUCLEI THE PRIMEVAL ATOM IN CONTEXT KEY ASTRONOMERS George Gamow (1904 –1968) R ...

197 See also: The birth of the universe 168–71 ■ Energy generation 182–83 ■ Nucleosynthesis 198–99 ATOMS, STARS, AND GALAXIES ca ...

198 STARS ARE FACTORIES FOR THE CHEMICAL ELEMENTS NUCLEOSYNTHESIS IN CONTEXT KEY ASTRONOMER Fred Hoyle (1915 –2001) BEFORE 1928 ...