Calendar

Astronomy Day

Astronomy Day is an international event observed each fall and spring near the first quarter Moon. Local astronomical societies, planetariums, museums, and observatories sponsor public viewing sessions, presentations, workshops, and other activities to increase public awareness about astronomy and our wonderful universe.

Mother’s Day (USA)

Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the positive contributions that they make to society. It was established by Anna Jarvis, with the first official Mother's Day celebrated through a service of worship at St. Andrew's Methodist […]

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.

World Metrology Day.

World Metrology Day is an annual celebration of the signature of the Metre Convention on 20 May 1875 by representatives of seventeen nations. The Convention set the framework for global collaboration in the science of measurement and in its industrial, commercial and societal applications. The original aim of the Metre Convention - the world-wide uniformity […]

Inf. Conjunction of Mercury

Mercury passes very close to the Sun in the sky as its orbit carries it between the Sun and Earth. This happens once in 116 days (the synodic cycle of the planet), and over the course of a couple weeks, Mercury will change from appearing in the evening sky to appearing in the morning sky.

(New York, NY) Lecture: From Peru to Mars: New Worlds and Jesuit Science

St. Ignatius Church, New York 980 Park Avenue, New York, NY, United States

PRESENTER Br. Guy Consolmagno, S.J. Director of the Vatican Observatory and President of the Vatican Observatory Foundation Is there a particularly “Jesuit” form of science? From Acosta’s work in the New World to modern research at the Vatican Observatory, we’ll look at the work of a number of Jesuit scientists through history and see how […]

Towel Day

Towel Day is an annual celebration on the 25th of May, as a tribute to the late author Douglas Adams (1952-2001). On that day, fans around the universe carry a towel in his honor. Towel Day 2021 marks the 43rd anniversary of the first BBC broadcast of The Hitchhiker’s Guide to the Galaxy (1978).

Ascension

The Ascension Day of Jesus Christ always falls on a Thursday - it is the day when Christians celebrate the ascension of Jesus Christ into heaven as recorded in the Bible.