What is the most mysterious and fascinating thing in the universe according to u ???
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Here are some of the most surprising and interesting facts ... Dark Energy Mystery Illuminated By Cosmic Lens ... in the universe would slow this expansion or even cause it to ...
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The universe began with the Big Bang, and is estimated to be approximately 13.7 billion years old (plus or minus 130 million years).
Astronomers calculated this figure by measuring the composition of matter and energy density in the universe, which enabled them to determine how fast the universe expanded in the past. As a result, researchers could turn back the hands of time and pinpoint when the Big Bang occurred. The time in between that explosion and now makes up the age of the universe.
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