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Hubble Finds Three Surprisingly Dry Exoplanets

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Astronomers using NASA's Hubble Space Telescope have found that bloated hot Jupiters have less water vapor than predicted.

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Is the Universe a Bubble? Let's Check

Perimeter Associate Faculty member Matthew Johnson and his colleagues are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science.

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Amid Revelations of a Universe Rich with Planets, What’s Next for Exoplanet Hunters?

In the midst of recent and surprising revelations about planets outside our solar system, three astrophysicists – Zachory Berta-Thompson, Bruce Macintosh and Marie-Eve Naud – joined a live Google Hangout to consider what’s next for exoplanet hunters, including the search for other Earth-like worlds.

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Hubble Spots Spiral Bridge of Young Stars Linking Two Ancient Galaxies

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NASA's Hubble Space Telescope has photographed an unusual structure 100,000 light-years long, which resembles a corkscrew-shaped string of pearls and winds around the cores of two colliding galaxies. The unique structure of the star spiral may yield new insights into the formation of stellar superclusters that result from merging galaxies and gas dynamics in this rarely seen process.

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Radio-Burst Discovery Deepens Astrophysics Mystery

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The discovery of a split-second burst of radio waves by scientists using the Arecibo radio telescope in Puerto Rico provides important new evidence of mysterious pulses that appear to come from deep in outer space.

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A Hotspot for Powerful Cosmic Rays

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An observatory run by the University of Utah found a “hotspot” beneath the Big Dipper emitting a disproportionate number of the highest-energy cosmic rays. The discovery moves physics another step toward identifying the mysterious sources of the most energetic particles in the universe.

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45th Anniversary of the First Moon Walk; GW Experts Available to Comment

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Live Webcast: The Hunt for Other Worlds Heats Up

Wednesday, July 9, three exoplanet hunters discuss the recent uptick in known planets beyond our solar system, consider the next steps in the hunt for habitable worlds, and ponder the odds of finding evidence of life on another planet.

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Discovery Expands Search for Earth-Like Planets

A newly discovered planet is expanding astronomers’ notions of where Earth-like—and even potentially habitable—planets can form, and how to find them.

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Martian Salts Must Touch Ice to Make Liquid Water

In chambers that mimic Mars’ conditions, University of Michigan researchers have shown how small amounts of liquid water could form on the planet despite its below-freezing temperatures.

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