April Fools Day.
April Fools' Day or April Fool's Day (sometimes called All Fools' Day) is an annual celebration on April 1, commemorated by practical jokes and hoaxes. The player(s) of the joke(s) or hoax(es) often exposes their action by […]
Calendar
12 events found.
Global Astronomy Month
Astronomers Without Borders brings the world together to share our passion of astronomy and the wonders of the Universe.
An Evening With the Pope’s Astronomer – Jones Day
Jones Day New York Brookfield Place, 250 Vesey Street, New York, NY, United StatesSpend an evening with Br. Guy Consolmagno - Director of the Vatican Observatory, and President of the Vatican Observatory Foundation. Br. Guy will discuss his new book A Jesuit's Guide […]
First Quarter Moon 2025
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
A Jesuit Guide to the Stars – An Ignatian, Silent Weekend Retreat for Adults
Bellarmine Jesuit Retreat House 420 W County Line Road, Barrington, IL, United StatesBr. Guy Consolmagno will lead this retreat which will explore the close connection between Ignatian spirituality and astronomy.
International Day of Human Space Flight.
The General Assembly, in its resolution A/RES/65/271 of 7 April 2011, declared 12 April as the International Day of Human Space Flight “to celebrate each year at the international level the beginning […]
Mars at Aphelion
Mars will be at the farthest point in its orbit around the Sun on this date - 154,425,919.9 miles.
J. A. Fleming died, 1945 (b. 1849).
Illustration from the Bibliographical Memoirs of Fellows of the Royal Society, 1945. The Royal Society, London. Sir John Ambrose Fleming FRS died in 1945, aged 95 (born 29 November 1849). […]
Last Quarter Moon 2025
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
International Earth Day
First held in 1970, Earth Day is held annually on April 22 to demonstrate support for environmental protection.