Cosmic Journey!

What are the origin, evolution and fate of the Universe? Two of the most profound questions that all cultures, both past and present, have asked are: where did we come from and what is our destiny? Throughout history philosophers, theologians, and scientists have debated these questions. At the beginning of the 20th century, astronomers were unsure of the size of our galaxy. Generally, they believed that our solar system was near the center of the galaxy.

In the 1930 a Belgian Catholic priest and astrophysicist Georges Lemaître ( 1894-1966) had suggested that the universe might have originated when a primeval "cosmic egg" exploded in a spectacular fireworks ( The "fireworks theory"), creating an expanding universe. In the 1930s a Belgian Catholic priest and astrophysicist Georges Lemaître had suggested that the universe might have originated when a primeval "cosmic egg" exploded in a spectacular fireworks (The "fireworks theory"), creating an expanding universe.

By the early 1970s, cosmology was increasingly an observational science, its controversies and debatesassigned to empirical arbitration. Yet despite the greatly improved, and sometimes entirely new, instrumentation, philosophical considerations remained at the center of cosmology. They played a crucial role in the next major development in cosmology, the theory of the inflationary universe. ... Full Text