The energy generated by nuclear fusion has great potential as a clean and almost limitless source of energy, but many obstacles must be overcome before it becomes a practical reality, and scientists may have escaped from another. New models of an unwanted fusion phenomenon called ‘chirping’, where vital heat can …
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The answers to many questions in astronomy are hidden behind the veil of deep time. One of those questions is about the role that supernovae played in the early Universe. The job of the first supernovae was to forge the heaviest elements that were not forged in the Big Bang. …
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What would the Sun look like as it plunged below the horizon on a long day (17 hours) on Uranus? Or what would an evening sunset on Mars look like when we finally got there? Thanks to some NASA computer models, these scenarios are now a little easier to imagine. …
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