  A panoramic view, preceded by a short background of Newtonian mechanics and
Maxwellian electrodynamics, is offered on the extent of how Einstein's
space-time geometry, believed to be central to an understanding of the
structure of the universe, is overshadowed by several hitherto unheard of
features like dark matter and dark energy, that seem to be necessary, but by no
means sufficient, for a more complete picture.
