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astrophysics

Zoomable Universe - rectangular thumbnail
Multimedia

From the Edge of the Universe to the Inside of a Proton

By Natalie Wolchover +1 authors
Olena Shmahalo
November 6, 2017
Read Later

The Zoomable Universe, a new book by the astrobiologist Caleb Scharf, the illustrator Ron Miller and 5W Infographics, tours the universe’s 62 orders of magnitude.

astrophysics

Squishy or Solid? A Neutron Star’s Insides Open to Debate

By Joshua Sokol
October 30, 2017
Read Later

The core of a neutron star is such an extreme environment that physicists can’t agree on what happens inside. But a new space-based experiment — and a few more colliding neutron stars — should reveal whether neutrons themselves break down.

Artist’s rendering of merging neutron stars.
cosmology

Colliding Neutron Stars Could Settle the Biggest Debate in Cosmology

By Natalie Wolchover
October 25, 2017
Read Later

Newly discovered “standard sirens” provide an independent, clean way to measure how fast the universe is expanding.

Neutron star dancers
astronomy

Neutron-Star Collision Shakes Space-Time and Lights Up the Sky

By Katia Moskvitch
October 16, 2017
Read Later

Astronomers have for the first time matched a gravitational-wave signal to a kilonova’s burst of light, observations that will “go down in the history of astronomy.”

Very Large Array, Socorro, NM
Abstractions blog

Ultra-Powerful Radio Bursts May Be Getting a Cosmic Boost

By Katia Moskvitch
October 10, 2017
Read Later

Repeating radio bursts are among the most mysterious phenomena in the universe. A new theory explores how some of their puzzling properties can be explained by galactic lenses made of plasma.

Abstractions blog

For Astronomers, Neutron Star Merger Could Eclipse Eclipse

By Joshua Sokol
August 25, 2017
Read Later

Even as the solar eclipse was mesmerizing millions, astronomers were training their space- and land-based telescopes on a far more violent astrophysical event.

Illustration: window showing dark matter map
cosmology

Scientists Unveil New Inventory of Universe’s Dark Contents

By Natalie Wolchover
August 3, 2017
Read Later

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
Read Later

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.

Andrea Ghez in Hawaii
Q&A

Black-Hole Hunter Takes Aim at Einstein

By Joshua Sokol
July 27, 2017
Read Later

The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.


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