Image Credit & Copyright: Oliver Hardy
Yesterday, the Sun exhibited one of the longest filaments ever recorded. It may still be there today. Visible as the dark streak just below the center in the featured image, the enormous filament extended across the face of the Sun a distance even longer than the Sun's radius -- over 700,000 kilometers. A filament is actually hot gas held aloft by the Sun's magnetic field, so that viewed from the side it would appear as a raised prominence. The featured image shows the filament in light emitted by hydrogen and therefore highlights the Sun's chromosphere. Sun-following telescopes including NASA's Solar Dynamics Observatory (SDO) are tracking this unusual feature, with SDO yesterday recording a spiraling magnetic field engulfing it. Since filaments typically last only from hours to days, parts of this one may collapse or erupt at any time, either returning hot plasma back to the Sun or expelling it into the Solar System. Is the filament still there? You can check by clicking on SDO's current solar image.
#weldingsimulation #morfeo #virfac #offshore
- GeonX SADevelopment engineer, 2014 - present
- Ecole Nationale Supérieure des Mines de Saint-EtienneIngénieur de recherche, 2013 - 2014Developing 2D dislocation dynamics simulations.
- Ecole Nationale Supérieure des Mines de Saint-EtiennePhD Student, 2009 - 2013Developing 2D vertex dynamics simulations of subgrain growth in Al-Mn binary alloys.
- IIT BombayMasters Student, 2007 - 2009Materials Science - developing modules for the Parallel Dislocation Simulator - ParaDiS.
- IBM IndiaApplication Programmer, 2006 - 2007Data delivery systems for Dun & Bradstreet Corp., USA
Trying to be a materials scientist - maybe will be one some day.
- École nationale supérieure des mines de Saint-EtiennePhD, Science et Génie des Matériaux, 2009 - 2013
- Loyola School, Jamshedpur1988 - 2001
- Bengal Engineering & Science University,ShibpurBachelor of Engineering, Metallurgical Engineering, 2002 - 2006
- Indian Institute of Technology BombayMaster of Technology, Materials Science, 2007 - 2009
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