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Updated: May 14, 2025
The forces which produced this difference in the period of rotation may have contended for the mastery in that part of our solar system where the asteroids are found; and the disruption may have resulted from such conflict of forces. Or again, it may be that a large planet is now in process of formation in the asteroidal space.
A succession of rather longish strides he would have to take, to be sure; now burning his soles in the fires of Mercury; now hitting his corns against some of the pebbly Asteroids, and now slipping upon the icy rim of Neptune. Still, if he made drudgery of his work by keeping his soul out of it, he would only have his treadmill life over again, on a large scale.
It is held by the supporters of this theory that the attraction of the giant Jupiter was sufficient to prevent the small, nebulous ring that gave birth to the asteroids from condensing like the others into a single planet.
It's perfectly stupendous, and grinding around worse than the wreckage of the Arcturus was when I wouldn't let you climb up it why, I thought comets were little, and hardly massive at all!" exclaimed the girl. "This is little, compared to any regular planet or satellite or even to the asteroids.
"Look at that made in a moment and gone in a moment and yet on exactly the same principle, it gives one a dim idea of the difference between time and eternity. After all it's only another example of Kelvin's theory of vortices. Nebulæ, and asteroids, and planet-rings, and smoke-rings are really all made on the same principle."
Poof had gone the blue sky and this whole world, all in a moment, the scattered pieces forming the asteroids. Accident? More likely it was a huge, interplanetary missile from competing Mars. The Martians had died, too as surely, though less spectacularly. Radioactive poison, perhaps... Here, there had been an instant of unimaginable concussion, and of swift-passing flame.
"Yes, evidently; but how does it come inside the orbit of Mars?" "Oh, there are several asteroids," said one of the astronomers, "which travel inside the orbit of Mars, along a part of their course, and, for aught we can tell, there may be many which have not yet been caught sight of from the earth, that are nearer to the sun than Mars is." "This must be one of them." "Manifestly so."
Johnny Coombs found him there on the third day, and laughed at his sour expression. "Gettin' impatient?" "Just wondering when we'll reach the Belt, is all," Tom said. Johnny chuckled. "Hope you're not holdin' your breath. We've already been in the Belt for the last forty-eight hours." "Then where are all the asteroids?" Tom said. "Oh, they're here. You just won't see many of them.
"That's right. Know anything about asteroids, Foster?" Rip considered. He knew what he had been taught in astronomy and astrogation. Between Mars and Jupiter lay a broad belt in which the asteroids swung. They ranged from Ceres, a tiny world only 480 miles in diameter, down to chunks of rock the size of a house.
Vogel's suspicion of an air-line in the spectrum of Vesta has, accordingly, not been confirmed. Crossing the zone of asteroids on our journey outward from the sun, we meet with a group of bodies widely different from the "inferior" or terrestrial planets.
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