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Updated: June 3, 2025


It is the former of these conditions which is now taken advantage of. For if we have a number of particles all revolving with the same velocity, but of different specific gravities, and if we allow them to follow their tendency of moving off at a tangent, it is evident that the heaviest particles, having the greatest mass, will move with the greatest energy.

"I'm swinging in close so that I can use the star's attraction as a brake. At this distance, it will be about six gravities, and we can add to that a molecular drive braking of four gravities. "Suppose you look around and see if there are any planets. We can break free and head for another star if there aren't."

Then a violent sense of pressure popped his ear drums, weight crowded down on him like an elephant sitting on his chest, and there was a horrible squashed sensation dragging his limbs out of shape. It grew and grew. Bart lay still and sweated, trying to ease his uncomfortable position, unable to move so much as a finger. The Lhari ships hit 12 gravities in the first surge of acceleration.

One writer thinks he cannot have been in earnest, because he opens every canto with some pious invocation; another asserts that the piety itself is a banter; a similar critic is of opinion, that to mix levities with gravities proves the gravities to have been nought, and the levities all in all; a fourth allows him to have been serious in his description of the battle of Roncesvalles, but says he was laughing in all the rest of his poem; while a fifth candidly gives up the question, as one of those puzzles occasioned by the caprices of the human mind, which it is impossible for reasonable people to solve.

There they made common cause with the hexans against the humans, and in space of time Ionian humanity ceased to exist. Much traffic and interbreeding followed between the hexans of Jupiter and those of Io, resulting in time in a race intermediate in size between the parent stocks and equally at home in the widely variant air pressures and gravities of planet and satellite.

In former days no one thought of building ships of iron because iron does not float; yet now ships are seldom built of anything else, though the relative specific gravities of iron and water remain unchanged. What has changed is the Personal Factor.

Referring to the conceivable causes of unlike specific gravities in the members of the solar system, it was said that these might be Differences between the kinds of matter or matters composing them. 2. Differences between the quantities of matter; for, other things equal, the mutual gravitation of atoms will make a large mass denser than a small one. 3.

Even at ten gravities of deceleration, it took several hours to reduce their speed to a point which would make it possible to head for any planet of the tiny sun. Morey went to the observatory and swept the sky with the telectroscope. It was difficult to find planets because the reflected light from the weak star was so dim, but he finally found one.

Fox's encouraging kindness to its author. No one who loved Mr. Archimedes in the bath had many particulars to settle about specific gravities and Hiero's crown, but he first gave a glorious leap and shouted 'Eureka! Many persons have discovered Mr. Browning since he has been known to fame. One only discovered him in his obscurity. Next to that of Mr.

But now, not judging more than roughly of the effects of these several factors, co-operating in various ways and degrees, some to aid concentration and others to resist it, it is sufficiently manifest that, other things equal, the larger nebulous spheroids, longer in losing their heat, will more slowly reach high specific gravities; and that where the contrasts in size are so immense as those between the greater and the smaller planets, the smaller may have reached relatively high specific gravities when the greater have reached but relatively low ones.

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