Big Bang

First Detection Of Exotic 'x' Particles In Quark-gluon Plasma

In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons—elementary particles that briefly glommed together in countless combinations before cooling and settling into more...

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Was The Big Bang Something From Nothing

Arguably the biggest question is cosmology is where the Big Bang come from. We can extrapolate back from our observations of the universe and draw some high confidence conclusions. Since the universe is expanding, if we rewind time then the universe...

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Astronomers Identify Potential Clue To Reinonization Of Universe

Astronomers have identified a potential clue to how the universe became reionized after the Big Bang. The researchers identified a black hole, a million times as bright as our sun, that may have been similar to the sources that powered the...
Related topics: Space, Black Holes, Sun

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Black Holes And Dark Matter—are They One And The Same?

Primordial black holes created in the first instants after the Big Bang—tiny ones smaller than the head of a pin and supermassive ones covering billions of miles—may account for all of the dark matter in the universe.
Related topics: Black Holes

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Wild Theory Says The Big Bang Wasn’t The Beginning

The prevailing theory on the origin of our universe goes like this: about 13.7 billion years ago a single particle exploded. The resultant blast created an ever-expanding universe that, eventually, became home to the planet we call Earth. The Big...
Related topics: Space, Physics

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Scientists Clash Over Whether Mysterious Cosmic Flash Is 'scientific Coup' Or... Russian Space Trash

A galaxy dubbed GN-z11 is considered to be the most distant and oldest currently known galaxy. According to some scientists, it formed 420 million years after the Big Bang. Now, it appears that astronomers have managed to witness a blast from this...
Related topics: Space, Galaxies

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Light-scattering Dynamics Could Inform Interpretation Of Big Bang Remnants

By confirming certain light-scattering dynamics first proposed a half-century ago, University of Nebraska–Lincoln physicists are casting fresh eyes on the universe-birthing fireworks ignited by the Big Bang nearly 14 billion years ago.
Related topics: Physics

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Cosmologists Close In On Logical Laws For The Big Bang

Physicists are translating commonsense principles into strict mathematical constraints for how our universe must have behaved at the beginning of time.
Related topics: Physics, Mathematics

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Did Black Holes Form Immediately After The Big Bang?

How did supermassive black holes form? What is dark matter? In an alternative model for how the universe came to be, as compared to the 'textbook' history of the universe, a team of astronomers propose that both of these cosmic mysteries could be...
Related topics: Black Holes, Space

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Can Galaxies Without Dark Matter Tell Us How The Universe Ends?

Raise your hand if you live in a stable universe that’s rapidly expanding to support its own vastness. Not so fast Earthlings. We might have an end-game level crunch-time problem on our hands. Up front: Everyone’s heard of the Big Bang. And...
Related topics: Galaxies, Space

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Understanding The Early Universe Depends On Estimating The Lifespan Of Neutrons

When we look into the night sky, we see the universe as it once was. We know that in the past the universe was once warmer and denser than it is now. When we look deep enough into the sky, we see the microwave remnant of the big bang known as the...
Related topics: Microwaves

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Platform Capitalism Will Devour Us All

I bang on about Nick Srnicek's 'Platform Capitalism' a lot, but that's because it's one of those books that so neatly gets to the heart of how modern society in the 21st century functions. In the book, Srnicek analyses how the big capitalist players...

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Primordial Gravitational Waves Continue To Elude Astronomers

The standard model of cosmology is a remarkably powerful and accurate description of the universe, tracing its evolution from the big bang to its current state, but it is not without mysteries. One of the biggest unsolved questions of the standard...
Related topics: Space

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Challenging The Big Bang Puzzle Of Heavy Elements

It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang, and that supernova explosions are responsible for transmuting these elements into heavier ones. Researchers are now...
Related topics: Hydrogen, Helium, Lithium, Supernova

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Classical Physics Make Time Travel Impossible. But What About ‘timeless’ Travel?

A pair of scientists from the UK recently published a pre-print research paper discussing the theory of a universe with no beginning. Imagine it: our universe has always existed. The Big Bang either never happened or it was simply another event in...
Related topics: Physics

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Challenging The Big Bang Puzzle Of Heavy Elements

It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang when the universe formed, and that supernova explosions, stars exploding at the end of their lifetime, are responsible for...
Related topics: Hydrogen, Helium, Lithium, Supernova

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Gravitational-wave Observatories Should Be Able To Detect Primordial Black Hole Mergers, If...

The tumultuous era of the big bang may have been chaotic enough to flood the universe with primordial black holes. Eventually some of those black holes will find each other and merge, sending out ripples of gravitational waves. A comprehensive...
Related topics: Black Holes

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Early Massive Galaxies Ran Out Of Gas, Shutting Down Their Star Formation

Galaxies that formed within the first few billion years after the Big Bang should have lived long, healthy lives. After all, they were born with rich supplies of cold hydrogen gas, exactly the fuel needed to continue star formation. But new...
Related topics: Space, Hydrogen

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Latest Results From Cosmic Microwave Background Measurements

The universe was created about 13.8 billion years ago in a blaze of light: the big bang. Roughly 380,000 years later, after matter (mostly hydrogen) had cooled enough for neutral atoms to form, light was able to traverse space freely. That light,...
Related topics: Microwaves, Hydrogen

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Cosmic Dawn Holds The Answers To Many Of Astronomy's Greatest Questions

Thanks to the most advanced telescopes, astronomers today can see what objects looked like 13 billion years ago, roughly 800 million years after the Big Bang. Unfortunately, they are still unable to pierce the veil of the cosmic Dark Ages, a period...
Related topics: Space, Telescopes

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