Astronomy, Guide to Space
10 May , 2017 by Matt Williams
Measuring about 91 billion light years in diameter and being 13.8 billion years old, the Universe encompasses all matter, energy, time and space in existence.
Astronomy, Cosmology, Guide to Space
17 Dec , 2015 by Matt Williams
The Big Bang Theory explains how the Universe has evolved over last 13.8 billion years, starting from a singularity to its current size.
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