Calendar

Moon at Apogee

The Moon’s distance from Earth varies throughout its monthly orbit because the Moon’s orbit isn’t perfectly circular. Every month, the Moon’s eccentric orbit carries it to apogee – its most distant point from […]

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 […]

Presentation of the Lord (Candlemas).

A tapestry from Strasbourg depicting the Purification of the Virgin Mary and the Presentation of Jesus at the Temple. Candlemas (also spelled Candlemass), also known as the Feast of the Presentation of Jesus […]

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 Day of Women and Girls in Science.

Illustration of Vera Rubin from a series of illustrations for the International Day of Women and Girls in Science. Credit: BEATRIZ ARRIBAS DE FRUTOS. A significant gender gap has persisted […]

Br. Guy Consolmagno to talk at Hampstead Church

St.Mary's Chruch, Hampstead 4 Holly Walk, Hampstead, London, United Kingdom

Br Guy Consolmagno, S.J. will give a talk on the history of Vatican Observatory and its activities today.