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Search results for: aurora in all categories
137 results found.
14 pages of results. 21. Variations on a Theme of Philolaos [Journals] [Kronos]
... of its orbit (that is, Saturn), it would be said not to rotate at all. The modern concept of sidereal rotation was not involved. How could it be, if no sidereal objects, or stars, were visible? Weather and climate would call attention to latitudinal differences, but there was no north star, no aurora borealis (at least none comparable to the aurora saturnalis), and no particular reason to look to the north. (I don't know where the magnetic poles of Earth were, but magnetic factors in the north would have paled beside the aurora saturnalis.) The pole from the center of Earth to the center of Saturn would have ...
22. Sky Dragons and Celestial Serpents by Alastair McBeath (Book Review). C&C Review 2002:1 [Journals] [SIS Review]
... In the Babylonian MUL.APIN Spica is a furrow' which indicates Hydra was involved in ploughing the sky, or the god-comet, and perhaps in actually seeding the stars, a term equitable in describing a disintegrating comet. Chapter 6 is titled Living Sky Serpents and he applies this term to comets, meteors and some shapes taken by the aurora borealis. He mentions Clube and Napier and, like a lot of astronomers nowadays, including Patrick Moore, is very receptive to their thesis. He points out that modern observations of comets Hyakutake, Shoemaker-Levy, Halley and Hale-Bopp have expanded our knowledge of them and notes that dragons with a fiery breath, the jets of gas, can ...
23. Monitor [Journals] [SIS Review]
... it was recently closer to Jupiter, which produced tidal heating to keep the core liquid. However what caused its change of orbit? Electrical Displays New Scientist 8.1 .00, pp. 14-17, 10.6 .00, p. 7, 25.12.99/1 .1 .00, p. 9 Auroras on Earth are visible electrical displays caused by charged particles from the Sun funnelling down to the poles and smashing into molecules of oxygen and nitrogen in the atmosphere. On Jupiter's moon Io there are also vast electrical displays produced as its orbit cuts through Jupiter's magnetic field, setting up massive electric currents across the moon's surface and connecting it to ...
24. The Inconstant Sun [Journals] [Kronos]
... unquestionable. The Maunder Minimum is real; sunspot activity really did almost switch off between 1645 and 1715. Not only the sunspot records show this; when the Sun is more active the gusts of the solar wind spill charged particles into the Earth's magnetic field where, focused at the poles, they produce those great free light shows, the aurorae. More and brighter aurorae mean more solar activity; and significantly, very few bright auroral displays were seen in the second half of the seventeenth century. The solar wind also has another effect on the environment of our planet. When the Sun is active and the solar wind is strong, it shields us from cosmic rays from interstellar ...
25. News from the Internet [Journals] [SIS Review]
... .8 x 1014 Dark clouds 1 x 1013 1 x 10-6 1 x 10-20 5 x 1012 5.6 x 108 In cosmic plasma physics, the modern experimental approach was initiated by Birkeland (1908), who was the first to try to bring together what is now known as laboratory plasma physics and cosmic plasma physics. Birkeland observed aurorae and magnetic storms in nature and tried to understand them through his famous terrella experiment. He found that when his terrella was immersed in a plasma, luminous rings were produced around the poles (under certain conditions). Birkeland identified these rings with the auroral zones. As we know today, this was essentially correct. Further, he ...
26. Stars in an Electric Universe [Journals] [Aeon]
... " as distinct from modern theoretical astrophysics. Birkeland studied under Poincaré and Hertz and was a professor at Oslo University at the age of 31. Wealth and fame accompanied his many achievements in technology and applied physics. Birkeland was the good guy in a 50-year dispute involving the idea that electrons streaming along magnetic field lines were the cause of Earth's auroras. His opponent was the astronomer Sydney Chapman who maintained that Earth moved through a vacuum. In 1974, space probes found in Birkeland's favour. Birkeland actually demonstrated his theory long before in an experiment conducted in an apparatus called a "terrella" which consisted of an electromagnet contained within a sphere and placed in a large vacuum chamber. ...
27. The Cosmic Double Helix [Journals] [Aeon]
... . In fact, the celebrated cosmic axis of mythology is best explained as a plasma column. A possible mechanism has recently been proposed by plasma physicist Anthony Peratt of the Los Alamos National Laboratory, New Mexico. [114] To account for the astonishing similarity between plasma formations and petroglyphs found around the world, Peratt argues that an intense aurora, caused by an excessive inflow of charged particles from space, provided the visual prototype of the forms encountered in early rock art. To this I can add that the same intense aurora is capable of explaining the entire mythology of the axis mundi. The double helix discussed above is part and parcel of the developmental sequence of the axial ...
28. Brains Trust - Chronology and Ancient History [Journals] [SIS Review]
... From: SIS Chronology & Catastrophism Review 2000:1 "Proceedings of the SIS Silver Jubilee Event" Home | Issue Contents Brains Trust - Chronology and Ancient History Chair: Brian Moore Panel: L Saunders, J Crowe, J Bimson, and C Raspil Q1. What if there was a flare up on the sun and the aurora borealis was seen much more widely? Could it look like a polar configuration, or could we have a solar rather than a polar configuration? Charles Raspil thought a solar flare-up would lead to a lot of energy coming out of the magnetotail of the earth. This would impinge on the ionosphere, giving more visible effects. Some sort of ...
29. Thoth Vol VI, No 2: March 15, 2002 [Journals] [Thoth]
... "experimental" as distinct from modern theoretical astrophysics. He studied under Poincaré and Hertz and was a professor at Oslo University at the age of 31. Wealth and fame accompanied his many achievements in technology and applied physics. He was the good guy in a 50-year dispute involving the idea that electrons streaming along magnetic field lines caused the Earth's auroras. His opponent was the astronomer Sydney Chapman who maintained that the Earth moved through a vacuum. In 1974 space probes found in Birkeland's favour. Chapman and others then promptly made space plasma superconducting, which relieved them from the complications of dealing with electric fields. Birkeland actually demonstrated his theory long before in an experiment called a "terrella ...
30. Comets -- the Cause of Historic and Prehistoric Catastrophes [Articles]
... from this evidence that before 350 BC, there were comets producing extra-strong zodiacal light, visible in the Zodiac by night, and this explanation or this understanding allows one to even interpret other things in Aristotle that have remained very, very elusive, very difficult to understand, for example he has a chapter on what later translators have called "aurorae". I don't think aurorae are seen in Greece; if they are seen, they are very, very rare, but Aristotle talked of these things as though they were a frequent occurrence, and he describes in these things in the sky great chasms, caves out of which meteors can come- meteors don't come out of aurorae ...
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