Hundreds of millions of people will witness next week's total solar eclipse across North America, and solar physicists from around the globe are flocking to join them. Eclipses offer a brief glimpse of the sun's ghostly surrounding atmosphere--the solar corona--normally kept invisible by the sun's sheer glare. But the corona will soon be opened up for more sustained study: today in Belgium ESA has unveiled the pair of spacecraft making up its new Proba-3 mission, planned to produce orbital solar...
Hundreds of millions of people will witness next week's total solar eclipse across North America, and solar physicists from around the globe are flocking to join them. Eclipses offer a brief glimpse of the sun's ghostly surrounding atmosphere--the solar corona--normally kept invisible by the sun's sheer glare. But the corona will soon be opened up for more sustained study: today in Belgium ESA has unveiled the pair of spacecraft making up its new Proba-3 mission, planned to produce orbital solar...
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