News tagged with cosmic radiation

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Cosmologically complicating dust

The universe was created 13.7 billion years ago in a blaze of light: the big bang. Roughly 380,000 years later, after matter (mostly hydrogen) had cooled enough for neutral atoms to form, light was able to ...

dateApr 20, 2015 in Astronomy
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Hunting for dark matter in a gold mine

"What really impressed me was the trip down," said astrophysicist James Buckley, PhD, speaking of the vertical mile he traveled to get to the site of an underground dark-matter experiment. "You can see you're ...

dateDec 09, 2014 in General Physics
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Universe older than it looks

When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and ...

dateOct 27, 2014 in Astronomy
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