Description:Timeline of the metric expansion of space, where space (including hypothetical non-observable portions of the universe) is represented at each time by the circular sections. On the left, the dramatic expansion occurs in the inflationary epoch; and at the center, the expansion accelerates (artist's concept; not to scale).
Source: Wikipedia
Hundred years of cosmology
Over the past four centuries, we have witnessed a huge and rapid growth in our understanding of the Universe. It started with the ideas on Gravitation and Celestial Mechanics in…
