The Expansion of the Universe
In the late 1920s, the American astronomer, Edwin Hubble, made probably the most important discovery in the history of astronomy. Hubble made observations that he interpreted as showing that distant stars and galaxies are moving away from Earth in every direction . He knew this because the light coming from the galaxies exhibited redshift. Not only are they moving away, but the more distant galaxies appear to be moving away faster than the closer ones. The implication of these findings is that the universe is expanding. This is now the most widely accepted…
Written by Kishockkanthan Sivapragasam
The purpose of this article is to provide a new perspective of understanding the expansion of the universe and answer the most important questions that humans have been wondering about for centuries, such as: why does the universe appear to be expanding in every direction? Where did the event of the Big Bang occur? Is there a center of the universe? Why does time flow in a predetermined direction, toward the future?
The universe’s expansion may not be the same in all directions.
One of the fundamental ideas of cosmology is that everything looks the same…