Angelo Secchi
| The Reverend Father Angelo Secchi | |
|---|---|
| Church | Latin Church | 
| Orders | |
| Ordination | 12 September 1847 | 
| Rank | Priest | 
| Personal details | |
| Born | 28 June 1818 | 
| Died | 26 February 1878 (aged 59) Rome, Kingdom of Italy | 
| Nationality | Italian | 
| Denomination | Catholicism | 
| Awards | Légion d'honneur, France | 
| Scientific career | |
| Fields | Astronomy | 
| Institutions | Observatory of the Roman College | 
Angelo Secchi S.J. (Italian pronunciation: [ˈandʒelo ˈsekki]; 28 June 1818 – 26 February 1878) was an Italian Catholic priest and astronomer from 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.