Posts tagged with ‘universe

Illustris Simulation is the most detailed, comprehensive animated model of the creation of our universe based on what we know right now

"The calculation tracks the expansion of the universe, the gravitational pull of matter onto itself, the motion of cosmic gas, as well as the formation of stars and black holes. These physical components and processes are all modeled starting from initial conditions resembling the very young universe 300,000 years after the Big Bang and until the present day, spanning over 13.8 billion years of cosmic evolution. The simulated volume contains tens of thousands of galaxies captured in high-detail, covering a wide range of masses, rates of star formation, shapes, sizes, and with properties that agree well with the galaxy population observed in the real universe. The simulations were run on supercomputers in France, Germany, and the US. The largest was run on 8,192 compute cores, and took 19 million CPU hours. A single state-of-the-art desktop computer would require more than 2000 years to perform this calculation."

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Submitted by Delsyd

Courtney Love discovers direct evidence of Big Bang cosmic inflation, and by Courtney Love, I mean scientists

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Researchers from the BICEP2 collaboration today announced the first direct evidence for this cosmic inflation. Their data also represent the first images of gravitational waves, or ripples in space-time. These waves have been described as the “first tremors of the Big Bang.” Finally, the data confirm a deep connection between quantum mechanics and general relativity.

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New theory suggests that instead of a bang, the universe emerged from a long, deep freeze

Conventional thinking has it that the universe and all the matter within it exploded out from a single point, the so-called Big Bang Singularity. But a German theoretical physicists says this never happened. Instead, the universe started empty and cold, slowly emerging from a deep freeze.

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Remember that guy from the future that chose IHC to impart his future wisdom? This is his napkin drawing of the structure of our universe. Though I’d pass it along.

Remember that guy from the future that chose IHC to impart his future wisdom? This is his napkin drawing of the structure of our universe. Though I’d pass it along.

Life may have evolved in the universe billions of years before Earth

Just because the only signs of extraterrestrial life we’ve found so far has been iffy remains of ancient Martian bacteria doesn’t mean that life is something exclusive to Earth. A new study co-authored by a geneticist at the National Institutes of Health concludes that life originated elsewhere in the Universe around 9.8 billion years ago – roughly five-billion years before the Earth was even formed.

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The true science of parallel universes

Parallel universes is a great concept, often used in science fiction, but is there any real science behind this idea?

So it turns out the universe is about 80 million years older than previously thought

After a bunch of observations and a bunch of math and sciencey stuff and measurements and whatnot, it looks like that the universe is about 80 million years older than previously thought, which is 560 million years older in dog years.

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Moment of Morgan Freeman zen: “Is the Universe Alive?”

In this episode of Through the Wormhole with Morgan Freeman, it’s all about life life everywhere, and whether the universe as a whole is “alive”.

How to tell if our universe is just a gigantic computer simulation

It’s a question that’s been posed by thinkers and armchair philosophers for decades: “How do we know that our universe isn’t just a massive simulation of an incomprehensibly massive computer system?” Well, researchers from the University of Bonn in Germany have attempted to tackle the problem and it appears that they can’t entirely rule out the possibility.

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Re-creating a tiny slice of everything in the universe in a computer

Harvard scientists use 1,024-core supercomputer to produce a partial simulation of the life of the universe, modelling thousands of individual stars and galaxies with a Arepo, new software for cosmological simulations of galaxy formation across billions of years.

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How our universe could one day be revealed to be part of a multiverse

Right now, scientists are slowly unraveling tiny secrets of our universe that 100 years ago would have been completely unthinkable. Multiple dimensions, the fabric of time and space itself… and perhaps at some point we might be able to find some sort of evidence that our universe might be in a multiverse. Not tomorrow, but someday maybe.

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