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Atlas and Catalogue of Infrared Sources in the Magellanic Clouds (Paperback, Softcover reprint of the original 1st ed. 1990)
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Atlas and Catalogue of Infrared Sources in the Magellanic Clouds (Paperback, Softcover reprint of the original 1st ed. 1990)
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Around the beginning of the sixteenth century, Portuguese and Dutch
sailors first ventured into southern seas. With their keen
navigational interest in the skies, they noted the continuous
presence of two cloud-like features, not far from the almost
immediately Southern Pole. The first literature mention of these
'clouds' was in the journal written in 1520 by the Italian
navigator Pigafetta on the first circumnavigation of the globe by
Magalhaes (c/. Pigafetta et ai. , 1962). In honour of this exploit,
the objects have since become known as the Magellanic Clouds,
although the Dutch name 'Kaapsche Wolken' (Cape Clouds - after the
Cape of Good Hope) has also been in use for centuries. The Large
and Small Magellanic Clouds are dwarf irregular galaxies, orbiting
our own Milky Way Galaxy, presently at distances of 53 and 63 kpc
respectively (Humphreys, 1984) . . They are the galaxies nearest to
us: most other Local Group galaxies are of order ten times more
distant. The LMC and SMC are also the prototypical blue dwarf
irregulars, representatives of a class of objects in which several
hundred more distant objects are now known. Their masses are a few
per cent of the mass of the Milky Way Galaxy, but they are
relatively gas-rich and appear to be, at the present epoch, forming
stars at a more prodiguous rate than our Galaxy (c/. Lequeux,
1984).
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