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gravitational waves

astrophysics

A New Blast May Have Forged Cosmic Gold

By Joshua Sokol
March 23, 2017
Read Later

For decades, researchers believed that violent supernovas forged gold and other heavy elements. But many now argue for a different cosmic quarry.

Abstractions blog

Responding Rapidly to Big Discoveries

By Jeanette Kazmierczak
September 9, 2016
Read Later

How do scientists react to major breaking science news? For astrophysicists after the big gravitational waves announcement, it was meeting for two weeks in Santa Barbara, California.

astrophysics

Colliding Black Holes Tell New Story of Stars

By Natalie Wolchover
September 6, 2016
Read Later

Just months after their discovery, gravitational waves coming from the mergers of black holes are shaking up astrophysics.

Q&A

Mining Black Hole Collisions for New Physics

By Joshua Sokol
July 21, 2016
Read Later

The physicist Asimina Arvanitaki is thinking up ways to search gravitational wave data for evidence of dark matter particles orbiting black holes.

Abstractions blog

LIGO Reports Second Black-Hole Merger

By Natalie Wolchover
June 15, 2016
Read Later

The spokesperson for the Laser Interferometer Gravitational-Wave Observatory called it “a promising start to mapping the populations of black holes in our universe.”

astrophysics

After Black Holes Collide, a Puzzling Flash

By Kevin Hartnett
March 2, 2016
Read Later

A satellite spotted a burst of light just as gravitational waves rolled in from the collision of two black holes. Was the flash a cosmic coincidence, or do astrophysicists need to rethink what black holes can do?

Q&A

From Einstein’s Theory to Gravity’s Chirp

By Natalie Wolchover
February 18, 2016
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The path from a revolutionary set of equations to the detection of gravitational waves was strewn with obstacles and controversy, explains the physicist Daniel Kennefick — and the struggle continues.

astrophysics

Gravitational Waves Discovered at Long Last

By Natalie Wolchover
February 11, 2016
Read Later

Ripples in space-time have been detected a century after Einstein predicted them, launching a new era in astronomy.

Q&A

Searching the Sky for the Wobbles of Gravity

By Liz Kruesi
October 22, 2015
Read Later

The physicist Gabriela González is on the cusp of finding the first direct evidence of gravitational waves — soundlike wobbles in space-time produced by black holes and their kin.


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