News tagged with nuclear reaction

Why won't the supernova explode?

( -- Somewhere in the Milky Way, a massive old star is about to die a spectacular death. As its nuclear fuel runs out, the star begins to collapse under its own tremendous weight. Crushing pressure triggers new nuclear ...

dateJun 18, 2012 in Astronomy
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Exotic isotopes step on the scale

Elements heavier than iron are believed to have formed in supernovae or merging neutron stars through a series of complex nuclear reactions. Nuclear physicists are working to recreate these reactions by performing simulations, ...

dateSep 06, 2013 in General Physics
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On the origin of life's most crucial isotope

Since the Big Bang, the universe has been evolving. From the formations of simple protons and neutrons to the wide breadth of elements and molecules known today, it is ever growing in complexity and variety. And now, nuclear ...

dateOct 12, 2012 in General Physics
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Researchers Shed Light on Birth of the First Stars

( -- In the beginning, there were hydrogen and helium. Created in the first three minutes after the Big Bang, these elements gave rise to all other elements in the universe. The factories that made this possible ...

dateJul 01, 2010 in Astronomy
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X-ray illumination of supernova ejecta

( -- Supernovae are the explosive deaths of massive stars, cataclysms that disburse into space the chemical elements produced by nuclear reactions inside the progenitor stars. Understanding chemical enrichment ...

dateJun 24, 2011 in Astronomy
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