Calendar

Thomas Harriot, mapped the Moon with a telescope 4 months before Galileo (d. 1621)

Thomas Harriot was an English astronomer, mathematician, ethnographer and translator who made advances within the scientific field. Thomas Harriot was recognized for his contributions in astronomy, mathematics, and navigational techniques. Harriot worked closely with John White to create advanced […]

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.

Conjunction of Venus, Mars and Regulus

Venus and Mars are Alright Tonight! There is a conjunction of Venus, Mars and the star Regulus in the western sky after sunset on July 5th.

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 […]