St. Ignatius Loyola, Founder of the Jesuits.

Ignatius of Loyola (Basque: Ignazio Loiolakoa; Spanish: Ignacio de Loyola; Latin: Ignatius de Loyola; c.  23 October 1491 – 31 July 1556) was a Spanish Basque Catholic priest and theologian, who co-founded the religious order called the Society of Jesus (Jesuits) and became its first Superior General at […]

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 […]

V. Ambartsumian, theoretical astrophysicist, d. 1996

Viktor Amazaspovich Ambartsumian was a Soviet Armenian astrophysicist and science administrator. One of the 20th century's top astronomers, he is widely regarded as the founder of theoretical astrophysics in the Soviet Union.

Perseids Meteor Shower

The Perseids are the most popular meteor shower as they peak on warm August nights as seen from the northern hemisphere. The Perseids are active from July 17 to August 24, peaking on August 12 - 13.

Assumption of the Blessed Virgin Mary

The Assumption of the Blessed Virgin Mary is, according to the beliefs of numerous Churches, the bodily taking up of Mary, the mother of Jesus, into Heaven at the end of her earthly life. The analogous feast […]

Moon at Perigee

Every month, the Moon’s eccentric orbit carries it to perigee, the Moon’s closest point to Earth in its orbit – then 2 weeks later, to apogee, its most distant point from Earth.igee

Conjunction of Mercury and Mars

Mars and Mercury will be less than a degree apart in the sky - this may be VERY difficult to view with the naked eye due to their proximity to […]

Jupiter at Opposition

Jupiter will be in opposition to the Sun on this date; this is when the Earth is positioned between the Sun and Jupiter.

Full Moon

The Full Moon rises at sunset, is visible all night, and is high in the sky around midnight.