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20032007
most citedHabitat of early life: Solar X-ray and UV radiation at Earth's surface 4-3.5 billion years ago

163 citations · 163 across the 1 of their papers we have counts for

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astro-ph2003

Coronal versus photospheric abundances of stars with different activity levels

J. Sanz-Forcada, F. Favata, G. Micela

We report a detailed analysis of the coronal abundance of 4 stars with varying levels of activity and with accurately known photospheric abundances. The coronal abundance is determ…