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The Age of Interstellar Visitors

By Michele Bannister
January 29, 2020
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As astronomers get better at finding the comets and asteroids of other stars, they’ll learn more about the universe and our place in it.

Abstractions blog

A Close Look at Newborn Planets Reveals Hints of Infant Moons

By Joshua Sokol
June 11, 2019
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Astronomers have discovered a complex planetary system still swirling into existence.

Art for "As Planet Discoveries Pile Up, a Gap Appears in the Pattern"
Abstractions blog

As Planet Discoveries Pile Up, a Gap Appears in the Pattern

By Rebecca Boyle
May 16, 2019
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Astronomers are puzzling over a paucity of planets in the galaxy measuring between 1.5 and two times Earth’s size.

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The Astronomer Who’d Rather Build Space Cameras

By Ann Finkbeiner
April 18, 2019
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Jim Gunn shaped the theory of the evolution of the cosmos before building cameras and spectrographs for major observatories like the Hubble Space Telescope.

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What the Sight of a Black Hole Means to a Black Hole Physicist

By Janna Levin
April 10, 2019
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The astrophysicist Janna Levin reflects on the newly unveiled, first-ever photograph of a black hole.

PHOTO: Sarah Hörst in her lab at JHU
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The Scientist Who Cooks Up the Skies of Faraway Worlds

By Shannon Hall
April 8, 2019
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Astronomers will soon take their first glance at the atmosphere of a distant exoplanet. Sarah Hörst is writing the guidebook for these exoplanetary explorers, one that will reveal what a distinctive atmosphere says about the world underneath.

Photo of Priya Natarajan
Q&A

An Astrophysicist Who Maps the Universe’s Terra Incognita

By Natalie Wolchover
February 4, 2019
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Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.

astrophysics

Astronomers Creep Up to the Edge of the Milky Way’s Black Hole

By Joshua Sokol
October 30, 2018
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Hot spots have been discovered orbiting just outside the supermassive black hole at the galaxy’s center. Their motions have given us the closest look at that violent environment.

Art for "Interstellar Visitor Found to Be Unlike a Comet or an Asteroid"
astronomy

Interstellar Visitor Found to Be Unlike a Comet or an Asteroid

By Ramin Skibba
October 10, 2018
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The mystery of ’Oumuamua, the first interstellar object ever observed, continues to deepen.


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