I have been recently researching the topic of the expansion of the Universe. Specifically, the 1998 discovery by Saul Perlmutter that claims the Universe is expanding at an accelerated pace. The premise of this discovery was that the observed redshift of a Supernova 7 Billion Light years away was perceived to be receding at a slower rate than that of the redshift observed of a Supernova 1 Billion Light Years away. The conclusion was that the Universe was expanding at a slower rate 7 Billion years ago than it was 1 Billion years ago, thus an acceleration of expansion.
I am curious a