...Of course, I'm trying to keep within the orbit of theEarth, but there is a danger of being deflected onto Pallas, Ceres, orone of the smaller asteroids, and finding ourselves upon a rock inspace... 
Various 「Astounding Stories of Super-Science, May, 1930」
...The lanes more frequently used, between Earth, Mars, Venus andMercury, were of course far inside the orbits of the asteroids...
John Stewart Williamson 「Salvage in Space」
...But afterward it was pointed out that the difficulty could be avoided by supposing that not one but a series of explosions had produced the asteroids as they now are...
Garrett Serviss 「Curiosities of the Sky」
...For a good many years the discoveries of asteroids were made by means ofthe telescope...
Cecil G. Dolmage 「Astronomy of To-day」
...It has been calculated that the total mass of the asteroids must bemuch less than one-quarter that of the earth...
Cecil G. Dolmage 「Astronomy of To-day」
... gave the name Asteroids to thesebodies...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Intwo familiar cases the ring has not yet thus aggregated into planet orsatellite—the zone of asteroids, and Saturn's ring...
Oliver Lodge 「Pioneers of Science」
...Another example of this wonderful accuracy is found in tracingthe asteroids...
Henry Warren 「Recreations in Astronomy」
...They are toodistant from one another to exchange signals, except, perhaps, thefleet of asteroids that sail the azure between Mars and Jupiter...
Henry Warren 「Recreations in Astronomy」
...The next one was notdiscovered until 1845, from which date asteroids, or minor planets (as thesesmall planets are called), have been found almost every year...
George Forbes 「History of Astronomy」
...A group of four asteroids has lately been found, with a mean distance andperiod equal to that of Jupiter...
George Forbes 「History of Astronomy」
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