The Physical Universe: An Introduction to AstronomyUniversity Science Books, 1982 - Всего страниц: 584 "This is a truly astonishing book, invaluable for anyone with an interest in astronomy." Physics Bulletin "Just the thing for a first year university science course." Nature "This is a beautiful book in both concept and execution." Sky & Telescope |
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Стр. 226
... radio continuum emission ( synchro- tron radiation ) . Do Hii regions also emit radio waves ? Yes , both continuum and line radio waves . A thermal origin underlies both . We first consider the origin of the line radiation . Radio ...
... radio continuum emission ( synchro- tron radiation ) . Do Hii regions also emit radio waves ? Yes , both continuum and line radio waves . A thermal origin underlies both . We first consider the origin of the line radiation . Radio ...
Стр. 227
... radio brightness is labeled Af because this quantity is traditionally given per unit frequency instead of per unit wavelength . characteristic of thermal radio continuum emission makes it easily distinguishable from nonthermal radio ...
... radio brightness is labeled Af because this quantity is traditionally given per unit frequency instead of per unit wavelength . characteristic of thermal radio continuum emission makes it easily distinguishable from nonthermal radio ...
Стр. 313
... radio source . This idea has also been adapted to explain the peculiar galactic object SS433 ( Chapter 10 ) . VLBI techniques have also been used to study com- pact radio sources which do not exhibit two lobes . Some of these objects ...
... radio source . This idea has also been adapted to explain the peculiar galactic object SS433 ( Chapter 10 ) . VLBI techniques have also been used to study com- pact radio sources which do not exhibit two lobes . Some of these objects ...
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Basic Principles | 1 |
4 | 33 |
The Nature of Light | 42 |
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acids angular momentum antineutrinos astronomers atmosphere average baryons billion binary black hole bosons brightness calculate cell Chapter chemical clouds Color Plate contain core cosmological curve density diagram discuss disk distance dust Earth electrons elliptical emission energy equal equation event horizon evolution Figure force Galactic given globular clusters gm/cm³ gravitational heat helium helium-4 HII regions Hubble's Hubble's law human hydrogen hydrogen atoms infrared interstellar interstellar medium Jupiter light light-years luminosity magnetic field matter mechanics molecular molecules Moon motion nebula neutrino neutron star nuclear nucleus objects observed optical orbit organisms particles photons planets pressure Problem proteins quantum quarks quasars radiation radio radioactive radius reactions redshift relative rest mass result rotation solar nebula solar system space spacetime speed spin spiral galaxies stellar structure supernova surface temperature theory thermal thermodynamics tion universe velocity wave wavelength white dwarf X-ray