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Exiled stars explode far from home

Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their home galaxies millions or ...

dateJun 04, 2015 in Astronomy
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NASA telescopes set limits on space-time quantum 'foam'

A team of scientists has used X-ray and gamma-ray observations of some of the most distant objects in the universe to better understand the nature of space and time. Their results set limits on the quantum nature, or "foaminess," ...

dateMay 28, 2015 in Astronomy
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Helium-shrouded planets may be common in our galaxy

They wouldn't float like balloons or give you the chance to talk in high, squeaky voices, but planets with helium skies may constitute an exotic planetary class in our Milky Way galaxy. Researchers using data from NASA's ...

dateJun 11, 2015 in Astronomy
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Can planets be rejuvenated around dead stars?

For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed, are only hypothetical. ...

dateJun 26, 2015 in Astronomy
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What is tidal locking?

The moon is tidally locked to the Earth, which means that it always shows one face to our planet. In fact, this is the case for most the large moons in the solar system. What's the process going on to make this happen?

dateNov 17, 2015 in Space Exploration
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