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.
Calendar
31 events found.
Labor Day (USA)
Labor Day is a federal holiday in the United States celebrated on the first Monday in September in any given year (i.e. a single day from September 1 through September 7) to honor and recognize […]
Frank Drake died, 2022 (b. 1930)
Frank Donald Drake (May 28, 1930 – September 2, 2022) was an American astronomer and astrophysicist. He was involved in the search for extraterrestrial intelligence, including the founding of SETI.
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.
VOF Moonth-ly Meetup with Rev. Richard A. D’Souza, S.J.
Virtual Event
Join us for a Full Moon Meetup with Rev. Richard A. D’Souza, S.J., the incoming Director of the Vatican Observatory!
Circle of Friends
Wallace Hall 980 Park Avenue at East 84 th Street, New York, NY, United StatesBrother Guy's will discuss his latest book, A Jesuit’s Guide to the Stars at a Circle of Friends event in New York.
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.
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 […]
Autumnal Equinox
Fall begins with the autumnal equinox - in the Northern Hemisphere, it's the September equinox; in the Southern Hemisphere, it is the equinox in March.
Astronomy at the Beach 2025
Island Lake State Park @ Island Lake State Recreation Area, 6301 Kensington Rd, Brighton, MI 48116, USABr. Guy Consolmagno will be the keynote speaker at Michigan's largest free astronomy event - both Fri. and Sat.!
Venus at Perihelion
The planet Venus is a Perihelion (its closest approach to the Sun) on this date.
Cassini probe launched, 1997
The Cassini mission to Saturn is one of the most ambitious efforts in planetary space exploration ever mounted. A joint endeavor of NASA, the European Space Agency (ESA) and the […]
World Science Day for Peace and Development.
Celebrated every 10 November, World Science Day for Peace and Development highlights the significant role of science in society and the need to engage the wider public in debates on […]
Northern Taurids Meteor Shower
Active from October 13th to December 2nd, 2021, peaks Nov 11-12th
St. Albert the Great, Patron of Scientists.
Albertus Magnus , also known as Saint Albert the Great was born on this date in 1206
Uranus at Opposition
Uranus will be in opposition to the Sun on this date; this is when the Earth is positioned between the Sun and Uranus.
Our Lady of Guadalupe.
Our Lady of Guadalupe (Spanish: Nuestra Señora de Guadalupe), also known as the Virgin of Guadalupe (Spanish: Virgen de Guadalupe), is a Catholic title of the Blessed Virgin Mary associated with a series of five Marian apparitions in December […]
St. Lucia (Sweden), festival of light.
Saint Lucy's Day, also called Lucia Day or the feast of Saint Lucy, is a Christian feast day observed on 13 December. The observance commemorates Lucia of Syracuse, an early-4th-century virgin martyr under the Diocletianic Persecution, who according to legend brought […]
Winter Solstice
The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun.
Ursids Meteor Shower
The Ursids peak just before Christmas with rates of 5-10 meteors per hour during the late morning hours.
Christmas Eve
Christmas Eve is on December 24 and marks the culmination of the Advent period before Christmas that starts on the fourth Sunday before Christmas Eve. Many churches mark the end […]
Earth at Perihelion
Earth will be at the closest point in its orbit around the Sun on this date - 91,403,034 miles.
Feast of the Epiphany
Epiphany also known as Theophany in the east, is a Christian feast day that celebrates the revelation (theophany) of God incarnate as Jesus Christ. Articles about the Feast of the Epiphany on the VO Faith and Science […]
Martin Luther King Jr. Day.
"Martin Luther King Jr. (January 15, 1929 – April 4, 1968) was an American Baptist minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1955 until his assassination […]
International Holocaust Remembrance Day
The United Nations General Assembly designated January 27—the anniversary of the liberation of Auschwitz-Birkenau—as International Holocaust Remembrance Day. On this annual day of commemoration, the UN urges every member state to honor […]