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LATEST DIALOGUES The Universe in Three Minutes

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See the entire evolution of the cosmos as we know it in less than three minutes.

More than 13 billion years ago, everything in the Universe was contained inside a singularity tinier than a proton. There were no planets, no stars, and the laws of physics didn’t exist. Then came inflation: the Universe’s growth in that first tiny fraction of a second is comparable to an ant expanding to the size of the Milky Way almost instantaneously.

Three minutes after inflation, things cool down enough for quarks and gluons to combine to form protons and neutrons.  That’s when we start to see the nuclei of hydrogen, helium, and lithium emerge – but it’s too hot for them to capture electrons, so all the electrons are flying around freely, smashing into photons, which scatters light making the Universe opaque.

More than 300,000 years later, the Universe FINALLY gets cool enough for atomic nuclei to begin capturing electrons. That means the Universe becomes transparent, and the coolest thing of all is that we can detect light from this era today – it’s the earliest light we’ll ever be able to see.

Over the next 450 million years, the very first stars and galaxies start to form. How far have we come from that tiny singularity 13.8 billion years ago, and how much had to happen just for our little planet, and ourselves, to exist!

Adapted from an article by Fiona McDonald published in Science Alert

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One Response to “The Universe in Three Minutes”

  1. July 12, 2016 at 2:23 am, leesajohnson said:

    It could look like the middle inside of a collapsing supergiant. Imagine the entire contents of the universe collapsing into a homogenous and unified field. All the light and dark matter would be collapsing into a super dense field consisting of the fundamental elements below the quark level. This is in following with the disintegrate universe theory. The steady-state theory states essentially that the universe would have expanded to its fullest size and all elements would have breathless their fuel supplies and now, in the last three minutes, would be pock-marked of super dense black holes, crashed super galactic matter and dark matter. The steady state theory also states that the zero point flux would have stabilized to zero as well. The perfect temperature of the universe would be absolute zero and no detectable activity would be observable. A good thought experiment is to imagine a balloon that has expanded to its maximum surface area but is frozen/ chilled in that state with no degrees of movement remaining. http://en.wikipedia.org/wiki/Heat_death_of_the_universe

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