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Distribution of Galaxies is not random, says Somak Raychaudhury
Highlights
Dr. Somak Raychaudhury, Director, Inter University Center for Astronomy and Astrophysics, Pune, said that the distribution of galaxies in space is not random. There are clear structures up to certain scales which are indicators of the large structure formation of the universe.
Hyderabad: Dr. Somak Raychaudhury, Director, Inter University Center for Astronomy and Astrophysics, Pune, said that the distribution of galaxies in space is not random. There are clear structures up to certain scales which are indicators of the large structure formation of the universe.
Delivering his inaugural address on Tuesday the Dr Raychaudhury told the participants in the International Conference of the Celestial Mechanics and Dynamical Astronomy he discussed how through observations, the turbulent teenage lives of galaxies has been found out. That part of the life of galaxies is spent in the filamentary structures of the cosmic web following which they end up in clusters.
While the galaxies are in filaments, they interact, merge and induce star formation. On the other hand, galaxies in clusters are stripped off their gas and hence there is no raw material for star formation. These observations lead to the bottom-up model of galaxy formation where small galaxies merge to form larger galaxies. The conference is dedicated to S M Alladin, an eminent pioneer in the field of Galaxy Dynamics from Osmania University.
Dr. Mohammad Aslam Parvaiz, Vice-Chancellor of Maulana Azad National Urdu University, congratulated convener of the conference Prof. S N Hasan and Co-Convener Dr Priya Hasan and said that a proud moment has come in the young life of the University where it is able to impart education in Urdu and hold meetings on science, technology and astronomy on international level. He said that MANUU would provide great opportunities to madrasa educated students to study subjects like science, technology and astronomy.
Raychaudhury's research interests lie in the study of the evolution of galaxies in groups and clusters, and on the super-cluster filaments of the cosmic web. He is one of the key people to start the Indian Astronomy Olympiad and selected and coached the Indian Olympiad team to top results at the International Astronomy Olympiad in 1999 and 2000.
The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is an autonomous institution set up by the University Grants Commission (UGC) of India to promote the nucleation and growth of active groups in astronomy and astrophysics at Indian universities. Dr. S M Alladin’s son Mr. Sultan Alladin received a memento given as party of tribute to the late scientist. Prof. P F Raham, Dean School of Science, introduced the Dr Chaudhury and the conference to the audience who have gathered from different prestigious institutions from all parts of India and foreign lands.
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