Indian geography for ias prelims

Indian geography for iasprelims

Indiangeography for ias prelims our galaxy has the shape of a flat disc with a central bulge. Its diameter is about a hundred thousand light years. In the nucleus the thickness reaches ten thousand light years, whereas in the disc it is five hundred to two thousand light years thick. general knowledge world geography It consists of stars, gas and dust; superimposed on the general distribution of the star in the pair of spiral arms. We do not know exactly how far the Sun is from the centre, but it is conventionally taken to be 33,000 light years away. importantfacts about indian geography Thus our solar system is relatively far from the galactic centre. Our galaxy is vast, about 100,000 light years across (a light year is about 9460 billion kilometers or 9.4607x1012 km in comparison the solar system seems small of about 12 light years across indian geography for civil services.

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