Tag Archives: Helioseismology

Space Weather: Wind in Space

Posted on November 11, 2011 by PlatoHagel

An X1.9 Flare at 2011 Nov 03 2027 UT!   Full SDO cadence (12 sec) movie of the M2.5 flare and associated CME from June 7,2011; composite of AIA wavelengths 211 (red channel), 193 (green), and 171 (blue); 05:00–13:00UTC; 2400 … Continue reading →

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Solar Weather

Posted on September 14, 2011 by PlatoHagel

Sunspot 1283 Bristling With Flares: An X1.8 and An M6.7 – UPDATED 09.08.11   The Sun as viewed by the Solar Dynamics Observatory (SDO) in 193 angstrom. The verticle black area near the center is the coronal hole. Credit: NASA/SDO … Continue reading →

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Solar Dynamics Observatory Pick of the Week

Posted on April 2, 2011 by PlatoHagel

(Click on Image for Larger Veiwing) Then and Now A side-by-side comparison of the Sun from precisely two years ago (left, from SOHO) to the present (right, from Solar Dynamics Observatory) dramatically illustrates just how active the Sun has become … Continue reading →

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Concepts Fade to Moments

Posted on January 3, 2011 by PlatoHagel

Relativity, by M. C. Escher. Lithograph, 1953. Source: Official M.C. Escher website. Of course I struggle “with” as to be free and in liberation of, as if to liberate oneself from all the constraints that we have applied to our … Continue reading →

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Solar Dynamics Observatory

Posted on April 23, 2010 by PlatoHagel

SpaceCraft The total mass of SDO at launch was 3000 kg (6620 lb); instruments 300 kg (660 lb), spacecraft 1300 kg (2870 lb), and fuel 1400 kg (3090 lb). Its overall length along the sun-pointing axis is 4.5 m, and … Continue reading →

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Poincaré Hyperbolic Disk

Posted on January 25, 2010 by PlatoHagel

See also:Poincaré Hyperbolic Disk *** Hyperbolic Geometry Geometric models of hyperbolic geometry include the Klein-Beltrami model, which consists of an open disk in the Euclidean plane whose open chords correspond to hyperbolic lines. A two-dimensional model is the Poincaré hyperbolic … Continue reading →

Posted in Helioseismology, Klein, Oscillations, SOHO, Sound, Space Weather | Tagged , , , , , | Leave a comment

Galactic Neutrino Communications

Posted on May 22, 2008 by PlatoHagel

Galactic Neutrino Communication by John G. Learned, Sandip Pakvasa, A. Zee We examine the possibility to employ neutrinos to communicate within the galaxy. We discuss various issues associated with transmission and reception, and suggest that the resonant neutrino energy near … Continue reading →

Posted in Helioseismology, John Bachall, Neutrinos, SOHO, Sterile Neutrinos | Tagged , , , , | Leave a comment

Decomposable Limits of Definitions

Posted on May 20, 2008 by PlatoHagel

With the discovery of sound waves in the CMB, we have entered a new era of precision cosmology in which we can begin to talk with certainty about the origin of structure and the content of matter and energy in … Continue reading →

Posted in Colour of Gravity, Helioseismology, nodal | Tagged , , | 15 Comments

SOLAR B and Van Ellen Belts

Posted on September 28, 2006 by PlatoHagel

SCIENCE GOALS OF SOLAR-B To determine the mechanisms responsible for heating the corona in active regions and the quiet Sun. There are of course reasons why you want to keep these perspectives together. While I have been extolling the virtues … Continue reading →

Posted in Aurora, Climate, Earth, Grace, Grace Satellite, Helioseismology, Oscillations, Sun, Themis | Tagged , , , , , , , , | Leave a comment

Beyond the Dance of the Sun

Posted on September 6, 2006 by PlatoHagel

When we first start facing truth, the process may be frightening, and many people run back to their old lives. But if you continue to seek truth, you will eventually be able to handle it better. In fact, you want … Continue reading →

Posted in Cayley, Helioseismology, Holonomy, Plato's Cave, SOHO, Sun, WunderKammern | Tagged , , , , , , | Leave a comment