Books > Science & Mathematics > Astronomy, space & time > Galaxies, clusters, intergalactic matter
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The Interstellar Medium in Galaxies (Hardcover, 1997 ed.)
Loot Price: R4,515
Discovery Miles 45 150
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The Interstellar Medium in Galaxies (Hardcover, 1997 ed.)
Series: Astrophysics and Space Science Library, 219
Expected to ship within 12 - 17 working days
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It has been more than five decades ago that Henk van de Hulst
predicted the observability of the 21-cm line of neutral hydrogen
(HI ). Since then use of the 21-cm line has greatly improved our
knowledge in many fields and has been used for galactic structure
studies, studies of the interstellar medium (ISM) in the Milky Way
and other galaxies, studies of the mass distribution of the Milky
Way and other galaxies, studies of spiral struc ture, studies of
high velocity gas in the Milky Way and other galaxies, for
measuring distances using the Tully-Fisher relation etc. Regarding
studies of the ISM, there have been a number of instrumen tal
developments over the past decade: large CCD's became available on
optical telescopes, radio synthesis offered sensitive imaging
capabilities, not only in the classical 21-cm HI line but also in
the mm-transitions of CO and other molecules, and X-ray imaging
capabilities became available to measure the hot component of the
ISM. These developments meant that Milky Way was no longer the
exclusive playground for ISM studies and that by reaching out to
other galaxies astronomy had gained the advantage of having an
"outside" view, though at the expense of giving up some linear
resolution. Studies of the ISM in other galaxies are intimately
connected to studies of the ISM in the Milky Way."
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