Mercoledì 8 Aprile 2020 ore 11 Mainly known as trailblazer of the spectral classification of stars and pioneer of solar physics, Angelo Secchi is one of the most brilliant and modern figures in …
Mercoledì 8 Aprile 2020 ore 11 Mainly known as trailblazer of the spectral classification of stars and pioneer of solar physics, Angelo Secchi is one of the most brilliant and modern figures in …