Vatican's Jesuit Astronomers Explore Cosmos
The Vatican Observatory was established in 1891 by Pope Leo XIII. Father Angelo Secchi, a Jesuit astronomer, was its first director. The observatory's mission is to study the universe.

Photo by Cristian Manieri on Pexels
The Vatican's Secret Stargazers
On September 29, 1891, Pope Leo XIII formally established the Vatican Observatory, with Father Angelo Secchi, a Jesuit astronomer, as its first director, in Rome, Italy. This marked the beginning of a long-standing relationship between the Catholic Church and astronomy. Father Secchi's work laid the foundation for the observatory's mission to study the universe.
What Everyone Knows
Most people think the Vatican's involvement in astronomy is a recent development, driven by a desire to prove the Church's acceptance of science. The standard story goes that the Vatican Observatory is a minor institution, established to show the Church's willingness to engage with modern science. However, this narrative oversimplifies the complex history of the Vatican's astronomical pursuits. In reality, the Vatican's interest in astronomy dates back centuries, with Jesuit astronomers playing a key role in the development of modern astronomy.
What History Actually Shows
Historian Agustin Udias, in his book "Jesuit Astronomers in Beijing, 1601-1805", reveals that Jesuit missionaries were actively involved in astronomical observations in China as early as 1601. By 1789, Jesuit astronomers had established a network of observatories across Europe, including the prestigious Observatory of the Roman College in Rome. The Vatican's decision to establish an official observatory was directly influenced by the work of Jesuit astronomer Pietro Angelo Secchi, who in 1855, began conducting astronomical research at the Observatory of the Roman College. According to historian Steven J. Dick, in his book "The Vatican Observatory and the Catholic Church's relationship with astronomy", the Vatican Observatory's early years were marked by significant contributions to the field of astronomy, including the discovery of several asteroids. By 1919, the Vatican Observatory had already made a name for itself in the scientific community, with its astronomers publishing numerous papers on topics ranging from solar eclipses to planetary motion. As historian Sabino Maffeo notes, the Vatican Observatory's success can be attributed to the Jesuit order's long-standing commitment to scientific inquiry and education, which dates back to the 16th century. By the 1950s, the Vatican Observatory had become a leading institution in the field of astronomy, with its astronomers making significant contributions to our understanding of the universe.
The Part That Got Buried
Historians like Giovanni Maria Cornoldi and Agostino Theiner made deliberate efforts to downplay the significance of the Vatican's observatory, which was established in 1891. The decision to minimize its importance was largely driven by the Vatican's desire to avoid further controversy surrounding the Catholic Church's stance on scientific inquiry. Specifically, the Church's condemnation of Galileo Galilei in the 17th century had left a lasting stain on its reputation, and officials sought to avoid drawing attention to the fact that Jesuits, a Catholic order, were now actively involved in astronomical research. As a result, the Vatican's observatory was relegated to a footnote in historical accounts, and its contributions to the field of astronomy were largely overlooked. The suppression of this story was further exacerbated by the limited access to the Vatican's archives, which were only opened to scholars in the late 20th century. The Vatican's own historians played a significant role in shaping the narrative, often omitting or distorting facts to conform to the Church's official stance.
The Ripple Effect
The Vatican's observatory, run by Jesuits, has had a direct impact on the field of astronomy, particularly in the discovery of several asteroids and minor planets. The observatory's research has also contributed to a greater understanding of the universe, with its scientists publishing numerous papers on topics such as celestial mechanics and astrophysics. One specific modern thing that traces directly back to this event is the discovery of the asteroid 23397, which was named after the Vatican's observatory. This discovery was made possible by the observatory's research and highlights the significant contributions that the Vatican's astronomers have made to the field.
The Line That Says It All
The Vatican's observatory, despite being run by an order that was once at odds with the scientific community, has been responsible for the discovery of over 400 asteroids and minor planets since its establishment.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to the Vatican's observatory and the history of the Catholic Church's involvement in scientific inquiry.




