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RT @Hiranyareta: ^^ Vasco da Gama reached Indian on 20th May 1498. The graph is from the following book. "Astrometry of Fundamental Cata…
RT @Hiranyareta: ^^ Vasco da Gama reached Indian on 20th May 1498. The graph is from the following book. "Astrometry of Fundamental Cata…
RT @Hiranyareta: ^^ Vasco da Gama reached Indian on 20th May 1498. The graph is from the following book. "Astrometry of Fundamental Cata…
^^ Vasco da Gama reached Indian on 20th May 1498. The graph is from the following book. "Astrometry of Fundamental Catalogues The Evolution from Optical to Radio Reference Frames" https://t.co/YqJ008JGkD https://t.co/5ECUmUjZ34 https://t.co/26O9D7QYfi