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Abstract: Space weather generally refers to conditions above the Earth's atmosphere. Extreme space weather events are caused by solar radiation in X-rays or radio wavelengths or through the flux of charged particles. Although
these events have been occuring all the time, their effect has only been felt in the last 170 years after human beings started using elecritcity and other technologies on large scale. These events can affect power supply, communication, navigation, aircraft and spacecraft operations. After a qualitative description of basic mechnisms for space weather and its effect on the Earth, some of the consequences from a few strong events will be described.
About speaker:
Prof. H. M. Antia is a distinguished astrophysicist who specializes in solar physics, helioseismology, and the development of numerical techniques for studying stellar interiors. He is currently teaching at the UM-DAE Centre for Excellence in Basic Sciences(CEBS) at the University of Mumbai, having spent a significant portion of his career in Department of Astronomy & Astrophysics, at the Tata Institute of Fundamental Research (TIFR). Prof. H. M. Antia played a significant role in India's first multi-wavelength astronomy satellite, AstroSat, primarily serving as a payload manager for the LAXPC instrument team at TIFR, where he did the development of the crucial GEANT4 detector simulations, calibration software and data processing pipeline programs, which are extensively used by end users for data analysis. He is the author of the textbook Numerical Methods for Scientists and Engineers."
ASET