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Public Lectures
Rajaram Nityananda (Azim Premji University, Bengaluru & former Director of NCRA-TIFR, Pune)
Date & Time
29 April 2019, 16:00 to 17:30
Chandrasekhar Auditorium, ICTS-TIFR, Hesaraghatta, Bengaluru

The image of a ring of emission at 1.3 mm wavelength at the centre of the galaxy M87 has caught everyone’s imagination. It is direct evidence of a long suspected black hole, and was made by combining signals from antennas spanning much of the globe, This lecture will describe three streams flowing into this achievement. These are (i)the properties of matter and light moving near black holes, (ii) their role in modeling the phenomena seen by astronomers at the centres of galaxies, and (iii) the techniques and technologies which made possible an image with angular resolution of 0.1 nano radian, corresponding to a few centimeters at the distance of the Moon.