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Books > Science & Mathematics > Astronomy, space & time
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The Invisible Universe - The Story of Radio Astronomy (Hardcover, 2nd ed. 2007)
Loot Price: R824
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The Invisible Universe - The Story of Radio Astronomy (Hardcover, 2nd ed. 2007)
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Hidden from human view, accessible only to sensitive receivers
attached to huge radio telescopes, giant versions of backyard
satellite dishes, the invisible universe beyond our senses
continues to fascinate and intrigue our imaginations. We cannot
really comprehend what it means to say that a galaxy is exploding,
yet that is the nature of some of the distant radio sources in the
furthest reaches of space. Closer to home, in the Milky Way galaxy,
radio astronomers listen patiently to the ticking of pulsars that
tell of star death and states of matter of awesome densities. And
between the stars, radio emission from a host of over 120 complex
molecules radiate outward to reveal a tale about chemical processes
that produce the very stuff of life. And all of this happens out
there in the universe hidden from our eyes, even when aided by the
Hubble Space Telescope. This is the story of radio astronomy, of
how radio waves are generated by stars, supernova, quasars,
colliding galaxies, and by the very beginnings of the universe
itself. with those huge dishes in the New Mexico desert, in a
remote valley in Puerto Rico, in the green Pocahontas Valley in
West Virginia, as well as dozens of other remote sites around the
world. With each of these observatories, the scientists collect and
analyze their data, listening to the radio signals from space, in
order to learn what is out there, and perhaps even if someone else
may be listening as well.
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