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Search results for: gravity in all categories
626 results found.
63 pages of results. 471. The Cabots, the Lowells, and the Temperature of Venus [Journals] [Kronos]
... publication, Scientists Confront Velikovsky, is truly a valuable documentary on professional debunking, prestige coteries and expert gamesmanship. I am pleased that this book was published; the egocentricity is amusing, and the book makes explicit what is usually done by gossip designed to demolish careers. In the future, when advances in physical science disclose the mechanism of gravity, it will be instructive to reexamine the confident arguments of the current celebrities. The authors frame a superficially plausible but logically untenable hypothesis to explain "public interest" in Velikovsky's thesis, but avoid any serious discussion of professional interest. Donald Goldsmith inadvertently lets the cat out of the bag on page 22, in an astonishingly candid passage ...
472. Velikovsky and the Sequence of Planetary Orbits [Journals] [Pensee]
... This contour is shown in Figure 2. The smallest possible orbit for Mars would be an orbit whose angular momentum per unit mass is approximately 0.56, since a smaller orbit would pass within the Roche limit of the Sun, in which case Mars would tend to break up as the tidal force of the Sun exceeded the planet's own gravity and structural cohesion. (For Mars, the radius of the Sun's Roche limit is 0.0081 astronomical units, so that the practical lower limit of orbits on the map of orbits would be the contour rmin= 0.0081, which coincides more or less with the contour I/m = 0.56.) The ...
473. "VELIKOVSKY AND THE RECENT HISTORY OF THE SOLAR SYSTEM" [Journals] [Pensee]
... this session the moderators reported back to the larger gathering on the proceedings of each of the earlier colloquial with delegates allowed to correct or dispute each moderator from the floor. Charged with faithfully representing discussions that had frequently been marked by sharp differences of opinion, the moderators delicately wove their way through the task with the gracefulness of dancers and the gravity of comedians, while the audience responded with questions and the hall resounded with laughter. The effect on many delegates seemed to be nearly revelatory: that such strong antagonists could be having such an enjoyable time together was . . . well, unnatural- but it felt good. And they wanted more, calling for an annual recurrence of the ...
474. Of the Moon and Mars, Part 1 [Journals] [Pensee]
... on lower ground. The situation should be exactly reversed. As an erosion channel lengthens, more and more spoil must be carried by the eroding fluid, and the channel must grow wider to accommodate the load. Electrical-Breakdown Channels Perhaps the mistaken assumption in all this is that the flow responsible for sinuous rilles on the moon was in response to gravity. Is it entirely beyond reason to ask whether some sort of reversed, or "uphill," flow might have been involved? We are looking for evidence of recent electrical disturbances on the moon-disturbances that might be related to the dalliance of the moon with Mars only a few thousand years ago. So let us be forthright and frame ...
475. Sagan's "Ten Plagues" [Journals] [Kronos]
... of 1950 against Worlds in Collision. But Sagan immediately knocks his halo askew. He adds: "Then [emphasis added] no one would fly off. . ." Apparently he still fails to realize that loose objects, like himself, are not held to the face of the Earth by the rotation of the planet but by its gravity; otherwise, how can he subscribe to the concept of "flying off" in connection with a rotational deceleration of any magnitude? Sagan's real concern, he tells us, is not the slowing or stopping of the spin but its restoration. "How does the Earth get started up again, rotating at approximately the same rate of ...
476. Martian Meteorites in Ancient Myth and Modern Science [Journals] [Aeon]
... quite weak. (25) Ejection and Transport If it is generally agreed that the SNCs originated from Mars, the means of their ejection and transport to Earth has been a subject of much speculation and controversy. As noted earlier, leading authorities question whether it is possible for an impact to dislodge appropriate-sized rocks with enough force to overcome the gravity of the red planet. (26) Here Wasson offered the following observation: "The key unresolved question is whether an impact could eject >10-m blocks from Mars with velocities in excess of the escape velocity of 5 km times s-1." (27) In relation to the Martian origin of these meteorites, McSween similarly observes that ...
477. Stability of Solid Cores in Gaseous Planets [Journals] [Kronos]
... a turntable. When it is rotated, the slightest displacement of the weight will cause it to behave like a conical pendulum in which the string makes an angle to the vertical given by cos q =g /lw2, where l is the length of the string, w is the angular velocity, and g is the acceleration due to gravity. The water surrounding the weight tends to reduce the speed and amount of the displacement, and if the weight is free to rotate independently about its vertical axis, it will eventually attain the same angular velocity as the apparatus, irrespective of its original value. A solid core surrounded by fluid in a planet may therefore tend to drift ...
478. Sean Mewhinney's Critique Based On Bombastic Subterfuge, Evasion And Denial [Journals] [Velikovskian]
... Gravitational Separation of Gases and Isotopes in Polar Ice" by H. Craig, Y. Horibe and T. Sower, pp. 1675ff. "What will be absolutely clear to the objective reader of this article is that the atmospheric gases deft in deposited layers [of snow] do not remain in those layers. Rather, due to gravity, they are diffused downward, tending to accumulate on top of more dense layers of ice below. "The accumulating firm [ice-snow granules] acts like a giant columnar sieve through which the gravitational enrichment can be maintained by molecular diffusion. At a given borehole, the time between the fresh fall of new snow and its conversion to ...
479. Can Worlds Collide? [Journals] [Kronos]
... ; but in such calculations it is assumed (as an approximation) that the collisions were statistically independent events. Because the planetary motions inherently tend under their mutual gravitational attractions toward some sort of quasi periodicity, in which future near-misses can be causally related to past near misses, this assumption is absolutely identical to the assumption that Newton's Law of Gravity may be ignored! (That is, the planets are regarded as non-interacting random billiard balls, an approximation used in the kinetic theory of gases. ) For the reason indicated ( planetary masses are comparable while the analogy with meteoritic collision seems of questionable applicability), I am skeptical of Professor Sagan's figure of 1023 to 1; however ...
480. Anomalistics - a New Field of Interdisciplinary Studies [Journals] [Catastrophist Geology]
... disciplinary spectrum. Of these, the most conspicuous, though not the most difficult, is parapsychology, the study of such phenomena as telepathy (mind-to-mind communication) and Psychokinesis (" mind-over-matter" activity). Though it overlaps to some degree the domains of physics and religion, parapsychology, as its name suggests, has its center of intellectual gravity in the disciplinary vicinity of psychology among the social sciences. Noetics, the study of consciousness, while clearly related to both psychology and parapsychology, leans in the direction of ontology, epistemology, and other philosophical subdisciplines and ought perhaps, therefore, to be classified as one of the humanities rather than as one of the social sciences. ...
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