This is from Minute Physics and it gives you an idea just how overwhelmingly large the Universe really is, and at the same time it makes you feel inconceivably small.
Physicists and astronomers are thinking the universe is in the neighbourhood of 46 billion light years in size. Think about that, it takes light 1 year to travel just under 10 TRILLION km (about 6 trillion miles). Got that so far? Now multiply that number by 46 BILLION. Yeah, that`s big, REALLY BIG.
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