By Isaac Asimov

Discusses the constellations and stars, the space, luminosity and measurement, stellar astronomy, starlight, and existence on different planetary platforms, with detailed connection with the 3rd brightest and in addition the closest celebrity. Alpha Centauri.

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Extra resources for Alpha Centauri - The Nearest Star

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Some Arabic astronomers must have been far enough south, on occasion, to see them, for the brighter one has an Arabic name. " Frequently name was for short. However, this and it is virtually never it is referred to as "Rigil Kent" not familiar to Europeans used except in some astronomy books. The natural tendency was name to by the Bayer system, it once that system had been invented. " This that is the is title the name that therefore is named "Alpha Cen- used almost universally and of this book.

The grain is placed in the position of a bright star which Spica, the Latin The word for bright star, Sirius; an ear of is is called grain. part of the constellation Canis Ma- sometimes called the Dog Star for that reason. In the nearby constellation of Canis Minor there is jor, the Great Dog. Sirius is which is always in advance of Sirius as the sky turns. " The constellation of Bootes, the Herdsman, is located very near Ursa Major, the Great Bear. The Herdsman seems to be keeping a close eye on the Great Bear to prevent it from doing harm.

Instead you change the ending of the word and produce what is called the "possessive form" in English, or the "genitive form" in a The genitive form of Orion "Alpha of Orion" we are "Beta Orionis," is more nearly Latin phrase. " "Gamma The next Orionis" and so on. Sometimes, the Greek symbol of the letter is used, so that a-Orionis, ^S-Orionis stars in line we can write and so on. In Table 5 you will find a list of the genitive forms of a number of the names of the constellations (not all of them, but the ones we will have occasion to use in this book are included).

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