Famous paintings help study the Earth's past atmosphere

A team of Greek and German researchers has shown that the colours of sunsets painted by famous artists can be used to estimate pollution levels in the Earth's past atmosphere. In particular, the paintings reveal that ash and gas released during major volcanic eruptions scatter the different colours of sunlight, making sunsets appear more red. The results are published today in Atmospheric Chemistry and Physics, an open access journal of the European Geosciences Union (EGU).

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