Angelo Secchi S.J. (Italian pronunciation: [ˈandʒelo ˈsekki]; 28 June 1818 – 26 February 1878) was an Italian Catholic priest, astronomer from the Italian...

The Secchi disk (or Secchi disc), as created in 1865 by Angelo Secchi, is a plain white, circular disk 30 cm (12 in) in diameter used to measure water...

Secchi may refer to: Angelo Secchi, Italian astronomer Giuseppe Secchi (1931–2018), Italian footballer Luciano Secchi (born 1939), Italian comic book...

characteristics, and they were first recognized by their spectra by Angelo Secchi in the 1860s, a pioneering time in astronomical spectroscopy. By definition...

who co-founded the Institute of Geobiology with him in Peking. Pietro Angelo Secchi became a Jesuit priest in 1833. He became a professor of astronomy at...

Secchi classes and been progressively modified as understanding improved. During the 1860s and 1870s, pioneering stellar spectroscopist Angelo Secchi...

outer rim of the crater Secchi, the formation from which this range gained its name. This crater is named after Angelo Secchi, a 19th-century Italian...

and embryologist Angelo Sala (1576–1637), Italian physician and chemist Angelo Scalzone (1931–1987), Italian sports shooter Angelo Secchi (1818–1878), Italian...

of stellar spectroscopy was pioneered by Joseph von Fraunhofer and Angelo Secchi. By comparing the spectra of stars such as Sirius to the Sun, they found...

the 19th century, before modern systems of stellar classification, Angelo Secchi included Betelgeuse as one of the prototypes for his Class III (orange...

Italian astronomer Angelo Secchi. To the northeast is the crater Taruntius. The western rim is joined with a section of the minor Montes Secchi range. The rim...

falling back to the solar atmosphere. They were discovered in 1877 by Angelo Secchi, but the physical mechanism that generates them is still hotly debated...

were first photographed during the solar eclipse of July 18, 1860, by Angelo Secchi. From these photographs, altitude, emissivity, and many other important...

and comets. The finding is contained in an exchange of letters with Angelo Secchi. In his 2006 novel Against the Day, American novelist Thomas Pynchon...

the theory of spontaneous generation. 1865 – Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's...

Observatory of the Capitol, was operated from 1827 to 1870. Father Angelo Secchi SJ relocated the College Observatory to the top of Sant'Ignazio di Loyola...

chemical elements in Earth, and also in the Sun. Around 1862 Father Angelo Secchi developed the heliospectrograph, enabling him to study both the Sun...

of the mare. Rimae Secchi are named after the nearby crater Secchi which, in turn, is named after an Italian astronomer Angelo Secchi. The name of the rilles...

astronomical objects in other wavelengths of light. Joseph von Fraunhofer and Angelo Secchi pioneered the field of spectroscopy, which allowed them to observe the...

has been given different names by different cartographers. In 1850s, Angelo Secchi called the feature Atlantic Canale (later he called it Scorpion and...

of stellar spectroscopy was pioneered by Joseph von Fraunhofer and Angelo Secchi. By comparing the spectra of stars such as Sirius to the Sun, they found...

Y Canum Venaticorum La Superba A modern (19th century) name, due to Angelo Secchi. /ˌlɑːsuːˈpɜːrbə/ Scorpius ε Scorpii Larawag Traditional name in the...

It sometimes goes by the informal name Navi. It was observed 1866 by Angelo Secchi, the first star ever observed with emission lines. It is now considered...

64: 904. Chinnici, Ileana (2018). Decoding the stars : a biography of Angelo Secchi, Jesuit and scientist. Leiden, Boston: Brill. p. 182. ISBN 9789004387294...

Matteo Marsili, Joseph L. McCauley, Jean-Francois Muzy, Enrico Scalas, Angelo Secchi, Didier Sornette, H. Eugene Stanley, Victor Yakovenko and Yi-Cheng Zhang...

more or less as predicted, with "Comet A" being rediscovered first, by Angelo Secchi on August 26. "Comet B" was finally relocated on September 16, and once...

signature of the Sun and comparing it to those of other stars, Father Angelo Secchi determines that the Sun in itself is also a star. 1887 – The Michelson–Morley...

star recognized as a Be star was Gamma Cassiopeiae, observed 1866 by Angelo Secchi, the first star ever observed with emission lines. Many other bright...

Mediterranean with scientific purposes made in 1865, in which father Angelo Secchi carried out some experiments on the transparency of water. After the Capture...

included astronomy, geomagnetrometry and seismology. Astrophysicist Pietro Angelo Secchi, director of the Vatican Observatory, also taught astronomy at the college...