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Water common - yet scarce - in exoplanets

The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the solar system and beyond.

Dec 11th, 2019

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How did supermassive black holes grow so fast?

Black holes in the early universe pose a bit of a problem. Based on observations from telescopes on Earth and in space, we know that some black holes grew to be a billion times the mass of the sun just one billion years after the Big Bang. Current models of black hole growth, however, can't explain this speed of growth.

Dec 10th, 2019

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How to build a 3D map of the universe - and why

Because we don't know what's pushing the universe outward ever more quickly, 'dark energy' is scientists' shorthand for the mysterious process. To understand the history of our universe, researchers are collaborating with scientists around the globe to build elaborate 3D maps of space and time.

Dec 7th, 2019

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Astronomers propose a novel method of finding atmospheres on rocky worlds

A team of astronomers proposes a new method of using Webb to determine whether a rocky exoplanet has an atmosphere. The technique, which involves measuring the planet's temperature as it passes behind its star and then comes back into view, is significantly faster than more traditional methods of atmospheric detection like transmission spectroscopy.

Dec 2nd, 2019

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