Calendar
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.
Earth at Perihelion
Earth will be at the closest point in its orbit around the Sun on this date - 91,403,034 miles.
Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
Conjunction of the Moon and Spica
The star Spica will appear 2.0°S of Moon on this date.
Quadrantids Meteor Shower
The Quadrantids have the potential to be the strongest shower of the year but usually fall short due to the short length of maximum activity (6 hours) and the poor weather experienced during early January. The average hourly rate is 25 meteors per hour.
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 […]
New Moon
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 […]
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 […]
First Quarter Moon
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
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.
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 […]