Introductory Astronomy |
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Page 155
... spectroscopic observations of the Doppler effect , and these give the uncertain value of 10h45m . Uranus has five satellites , all with nearly circular orbits lying in the plane of the planet's equator . Their distances from the planet ...
... spectroscopic observations of the Doppler effect , and these give the uncertain value of 10h45m . Uranus has five satellites , all with nearly circular orbits lying in the plane of the planet's equator . Their distances from the planet ...
Page 226
... spectroscopic binary , as discussed in Section 11.2 . velocity by its period , and the radius is found by dividing this figure by 27. The radius of the orbit of B is found in the same way . The radius of the orbit of B around A is found ...
... spectroscopic binary , as discussed in Section 11.2 . velocity by its period , and the radius is found by dividing this figure by 27. The radius of the orbit of B is found in the same way . The radius of the orbit of B around A is found ...
Page 237
... spectroscopic binaries ? 3. All eclipsing binary stars are also spectroscopic binaries , but is the reverse true ? 4. What is the sum of the masses of the two components of a double star if the period is two centuries and the semimajor ...
... spectroscopic binaries ? 3. All eclipsing binary stars are also spectroscopic binaries , but is the reverse true ? 4. What is the sum of the masses of the two components of a double star if the period is two centuries and the semimajor ...
Contents
The Beginnings of AstronomyPtolemy | 1 |
The Earth and Its Motions | 25 |
The Earths Interior | 43 |
Copyright | |
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absolute magnitude absorption lines apparent magnitude appear asteroids astronomers atoms average axis binary bright line brighter celestial cepheids clouds color comet craters curve decreases density diagram diameter disc distance distance modulus dust E₁ earth earth's atmosphere earth's orbit eclipse electron emission emit energy fainter galactic center galactic clusters galactic plane galaxy gases globular clusters gravitational Hale Observatories helium hydrogen increase infrared interstellar ionized Jupiter layer light light-years luminosity lunar main sequence Mars measured meteorite meteoroids meteors miles million molecules moon moon's moving nebula neutron nucleus object observed orbital eccentricity orbital velocity particles period photograph planet protons protoplanets quasars radial velocity radiation radio rays region result rotation satellites Section seen shown in Figure solar masses solar system space spectral spectroscopic spectrum speed spiral star star's stellar sun's sunspot surface temperature telescope theory tion ultraviolet universe Venus wavelength waves white dwarf ZAMS