FREE BOOKS

Author's List




PREV.   NEXT  
|<   33   34   35   36   37   38   39   40   41   42   43   44   45   46   47   48   49   50   51   52   53   54   55   56   57  
58   59   60   61   62   63   64   65   66   67   68   69   70   71   72   73   74   75   76   77   78   79   80   81   82   >>   >|  
e at all distances. Among the nearer stars of which it has been found possible to calculate the distance, some are found to be of the fourth, fifth, sixth, seventh, eighth, and even ninth magnitudes, proving that the most brilliant are not always the least distant. For the rest, among the beautiful and shining stars with which we made acquaintance in the last chapter may be cited Sirius, which at a distance of 92 trillion kilometers (57 trillion miles) from here still dazzles us with its burning fires; Procyon or [alpha] of the Little Dog, as remote as 112 trillion kilometers (69-1/2 trillion miles); Altair of the Eagle, at 160 trillion kilometers (99 trillion miles); the white Vega, at 204 trillion kilometers (126-1/2 trillion miles); Capella, at 276 trillion kilometers (171 trillion miles); and the Pole-Star at 344 trillion kilometers (213-1/2 trillion miles). The light that flies through Space at a velocity of 300,000 kilometers (186,000 miles) per second, takes thirty-six years and a half to reach us from this distant sun: _i.e._, the luminous ray we are now receiving from Polaris has been traveling for more than the third of a century. When you, gentle reader, were born, the ray that arrives to-day from the Pole-Star was already speeding on its way. In the first second after it had started it traveled 300,000 kilometers; in the second it added another 300,000 which at once makes 600,000 kilometers; add another 300,000 kilometers for the third second, and so on during the thirty-six years and a half. If we tried to arrange the number 300,000 (which represents the distance accomplished in one second) in superposed rows, as if for an addition sum, as many times as is necessary to obtain the distance that separates the Pole-Star from our Earth, the necessary operation would comprise 1,151,064,000 rows, and the sheet of paper required for the setting out of such a sum would measure approximately 11,510 kilometers (about 7,000 miles), _i.e._, almost the diameter of our terrestrial globe, or about four times the distance from Paris to Moscow! Is it not impossible to realize that our Sun, with its entire system, is lost in the Heavens at such a distance from his peers in Space? At the distance of the least remote of the stars he would appear as one of the smallest. * * * * * The nearest star to us is [alpha] of the Centaur, of first magnitude, a neighbor of the South Pole, invisib
PREV.   NEXT  
|<   33   34   35   36   37   38   39   40   41   42   43   44   45   46   47   48   49   50   51   52   53   54   55   56   57  
58   59   60   61   62   63   64   65   66   67   68   69   70   71   72   73   74   75   76   77   78   79   80   81   82   >>   >|  



Top keywords:
trillion
 

kilometers

 

distance

 

remote

 
thirty
 
distant
 

addition

 
obtain
 

comprise

 

operation


nearer

 

separates

 
superposed
 

traveled

 
started
 
accomplished
 

represents

 

number

 
arrange
 

calculate


required

 

Heavens

 

entire

 
system
 

neighbor

 
invisib
 

magnitude

 

Centaur

 

smallest

 

nearest


realize

 

impossible

 
approximately
 

measure

 

distances

 

fourth

 
setting
 
Moscow
 

diameter

 

terrestrial


Altair

 

Capella

 

dazzles

 

chapter

 
Sirius
 

burning

 
shining
 

beautiful

 
Little
 

Procyon