where is he from?
Italian region of Emilia
Angelo Secchi
Angelo Secchi (; 28 June 1818 – 26 February 1878) was an Italian Catholic priest, astronomer by the Italian region of Emilia.
what is uranus's atmosphere made out of Hydrogen and helium describe corona of hydrogen? The exosphere is unusually extended, reaching as far as several Uranian radii from the planet. It is made mainly of hydrogen atoms and is often called the hydrogen corona of Uranus how is it explored? UNANSWERABLE who discovered the planet? The first spectra of Uranus were observed through a prism in 1869 and 1871 by Angelo Secchi and William Huggins mention a few of his technical works? He invented the Secchi disk what does the disk do? It measures water transparency or turbidity in bodies of water when was it invented? 1865 what are angelo's unfinished works? UNANSWERABLE
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Angelo Secchi [SEP] Introduction
Angelo Secchi (; 28 June 1818 – 26 February 1878) was an Italian Catholic priest, astronomer by the Italian region of Emilia. He was director of the observatory at the Pontifical Gregorian University (then called the Roman College) for 28 years. He was a pioneer in astronomical spectroscopy, and was one of the first scientists to state authoritatively that the Sun is a star.