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Mercury at Aphelion

Mercury's 88-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.47 AU.

Thomas Kuhn born 1922

Thomas Samuel Kuhn (1922–1996) is one of the most influential philosophers of science of the twentieth century,

J. G. Mendel born 1822

Gregor Johann Mendel (1822– 1884) was a biologist, meteorologist, mathematician, Augustinian friar and abbot of St. Thomas' Abbey in Brünn (Brno), Margraviate of Moravia.

Event Series New Moon 2025

New Moon 2025

New Moon. By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely […]

St. Ignatius Loyola, Founder of the Jesuits.

Ignatius of Loyola (Basque: Ignazio Loiolakoa; Spanish: Ignacio de Loyola; Latin: Ignatius de Loyola; c.  23 October 1491 – 31 July 1556) was a Spanish Basque Catholic priest and theologian, who co-founded the religious order called the Society of Jesus (Jesuits) and became its first Superior General at […]

St Dominic, Patron of Astronomers, d. 1221

The liturgical celebration of St Dominic is on August 6 which is his deathday, in 1221 - his birthday is August 8.

Many sources state that St Dominic is the patron saint of astronomy and astronomers.

Full Moon

The Full Moon rises at sunset, and is visible all night. The Vatican Observatory's monthly Full Moon Meetup for Sacred Space Astronomy subscribers is held at 10:00 AM Tucson time.

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