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Big Bang

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cosmology

Asymmetry Detected in the Distribution of Galaxies

By Katie McCormick
December 5, 2022
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Two new studies suggest that certain tetrahedral arrangements of galaxies outnumber their mirror images, potentially reflecting details of the universe’s birth. But confirmation is needed.

Representations of fields becoming neutrons, doughnuts, pretzels, soccer balls and other objects.
The Joy of Why

What Is Quantum Field Theory and Why Is It Incomplete?

By Steven Strogatz
August 10, 2022
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Quantum field theory may be the most successful scientific theory of all time, but there’s reason to think it’s missing something. Steven Strogatz speaks with theoretical physicist David Tong about this enigmatic theory.

Collage illustration of the JWST
astrophysics

The Webb Space Telescope Will Rewrite Cosmic History. If It Works.

By Natalie Wolchover
December 3, 2021
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The James Webb Space Telescope has the potential to rewrite the history of the cosmos and reshape humanity’s position within it. But first, a lot of things have to work just right.

Galaxies in triangular formations expanding.
cosmology

Laws of Logic Lead to New Restrictions on the Big Bang

By Charlie Wood
November 10, 2021
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Physicists are translating commonsense principles into strict mathematical constraints on how our universe must have behaved at the beginning of time.

Close-up photograph of a soap bubble with a spot on it that looks as though it must have come from a collision.
Abstractions blog

Physicists Study How Universes Might Bubble Up and Collide

By Charlie Wood
January 25, 2021
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Since they can’t prod actual universes as they inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.

A pink beam at the center of a metallic experimental apparatus.
Abstractions blog

Physicists Pin Down Nuclear Reaction From Moments After the Big Bang

By Thomas Lewton
November 11, 2020
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The newly-measured rate of a key nuclear fusion process from the Big Bang matches the picture of the universe 380,000 years later.

Stringy filaments wiggling against a black background.
Abstractions blog

Some Physicists See Signs of Cosmic Strings From the Big Bang

By Thomas Lewton
September 29, 2020
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Subtle aberrations in the clockwork blinking of stars could become “the result of the century.” That’s if the distortions are produced by a network of giant filaments left over from the birth of the universe.

Black holes of various sizes
black holes

Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter

By Joshua Sokol
September 23, 2020
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It was an old idea of Stephen Hawking’s: Unseen “primordial” black holes might be the hidden dark matter. A new series of studies has shown how the theory can work.

The cyclic universe.
Abstractions blog

Big Bounce Simulations Challenge the Big Bang

By Charlie Wood
August 4, 2020
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Detailed computer simulations have found that a cosmic contraction can generate features of the universe that we observe today.


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