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X-Ray Astronomy (Hardcover, 1974 ed.)
Loot Price: R6,050
Discovery Miles 60 500
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X-Ray Astronomy (Hardcover, 1974 ed.)
Series: Astrophysics and Space Science Library, 43
Expected to ship within 10 - 15 working days
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Donate to Gift Of The Givers
Total price: R6,070
Discovery Miles: 60 700
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It was about fourteen years ago that some of us became intrigued
with the idea of searching the sky for X-ray and gamma-ray sources
other than the Sun, the only celestial emitter of high-energy
photons known at that time. It was, of course, clear that an effort
in this direction would not have been successful unless there
occurred, somewhere in space, processes capable of producing
high-energy photons much more efficiently than the processes
responsible for the radiative emission of the Sun or of ordinary
stars. The possible existence of such processes became the subject
of much study and discussion. As an important part of this
activity, I wish to recall a one-day conference on X-ray astronomy
held at the Smithsonian Astrophysical Observatory in 1960. The
theoretical predictions did not provide much encouragement. While
several 'unusual' celestial objects were pin-pointed as possible,
or even likely, sources of X-rays, it did not look as if any of
them would be strong enough to be observable with instru mentation
not too far beyond the state of the art. Fortunately, we did not
allow our selves to be dissuaded. As far as I am personally
concerned, I must admit that my main motivation for pressing
forward was a deep-seated faith in the boundless re sourcefulness
of nature, which so often leaves the most daring imagination of man
far behind."
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