classicallyforbiddenregions:

Is Our Universe Alone?

Hey folks, happy Sunday!  This morning I read an article talking about the possibility of a multiverse that was truly inspirational so I thought I’d share.  I know what I’m about to say next may sound made up, but I assure you it’s true.  I remember being in elementary school learning about stars and how we not only orbit our sun, but our sun orbits around in our galaxy and how galaxies sometime orbit each other.  I asked my teacher, “so universes orbit too?”  She responded that there was only one universe, which I responded with “well what’s getting in nature’s way of there being more?”  My name clothes pin got moved from the happy green light to the slanty faced yellow light on the behavioral ladder that day. 

Anywho, the idea of there being more than one universe is not exactly a new idea and to quote The Big Bang Theory’s intro song, “It all started with a Big Bang”.  The big bang theory explained everything a split second after the big bang occurred, but it falls apart the farther back in time you go; the closer you get to the big bang.  Multiple theories come together to try and explain this, and one of them is the multiverse theory.  This states that our universe, everything we can observe, is just like a bubble in a bubble bath expanding outwards.  Along with string theory and inflationary cosmology, the predicted universes (10^500! Holy crap are we not alone!) become actual ones.  In our universe the gap between how much dark energy has been observed and how much there theoretically is supposed to be is arguably the largest ever.  Because we see so little dark energy, people who support the multiverse theory think that this missing energy is just simply spread across all the universes instead of just ours.  This means that with such a big number to choose from our universe necessarily exists which means that discrepancies that scientists have with their math doesn’t matter.  One of the only ways to definitively prove that we live in a multiverse, is if our bubble presses up against another universe’s bubble changing the temperature pattern seen in the cosmic background radiation.  This has not happened yet, but may in the future.  Take all this with a grain of salt guys, this is, as Newsweek puts it, “high risk science”  But without risk, there would be no gain!

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(via understandingtheuniverse)