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dark energy

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Photo of Large Magellan Cloud rotating clockwise.
Abstractions blog

What Astronomers Are Learning From Gaia’s New Milky Way Map

By Natalie Wolchover
May 8, 2018
Comment
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A roundup of some of the most important discoveries gleaned so far from the Gaia space observatory’s new map of the galaxy.

Lede art for "Troubled Times for Alternatives to Einstein’s Theory of Gravity"
astrophysics

Troubled Times for Alternatives to Einstein’s Theory of Gravity

By Katia Moskvitch
April 30, 2018
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New observations of extreme astrophysical systems have “brutally and pitilessly murdered” attempts to replace Einstein’s general theory of relativity.

Illustration: window showing dark matter map
cosmology

Scientists Unveil New Inventory of Universe’s Dark Contents

By Natalie Wolchover
August 3, 2017
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The first major results from the Dark Energy Survey signal the start of a new era of cosmology.

Abstractions blog

Cookie-Cutter Supernovas Might Come in Different Flavors

By Katia Moskvitch
July 31, 2017
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Astronomers thought that all Type Ia supernovas shine with the same brightness, making them incredibly useful cosmic yardsticks. But uncertainty over what causes these explosions has led researchers to reconsider their assumptions.

Erik Verlinde by Ilvy Njiokiktjien for Quanta Magazine
gravity

The Case Against Dark Matter

By Natalie Wolchover
November 29, 2016
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A proposed theory of gravity does away with dark matter, even as new astrophysical findings challenge the need for galaxies full of the invisible mystery particles.

Quantized Columns

How Feynman Diagrams Almost Saved Space

By Frank Wilczek
July 5, 2016
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Richard Feynman’s famous diagrams weren’t just a way to do calculations. They represented a deep shift in thinking about how the universe is put together.

Inside this chamber, silica spheres probe for hidden extra dimensions, distortions of gravity, and dark-matter particles. | Peter DaSilva for Quanta Magazine
experimental physics

Tiny Tests Seek the Universe’s Big Mysteries

By Joshua Sokol
May 3, 2016
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The search for exotic new physical phenomena is being led by huge experiments like the Large Hadron Collider. But at the other end of the spectrum lie tabletop experiments — small-scale probes of hidden dimensions, dark matter and dark energy.

Physics

Dark Energy Tested on a Tabletop

By Maggie McKee
March 31, 2015
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Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious anti-gravitational force down to earth.

Blanco telescope.
Q&A

Finding Dark Energy in the Details

By Natalie Wolchover
September 18, 2014
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The astrophysicist Joshua Frieman seeks to pinpoint the mysterious substance driving the accelerating expansion of the universe.


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