Moon at Apogee

Every month, the moon's eccentric orbit carries it to apogee – its most distant point from Earth.

First Quarter Moon

The First Quarter Moon occurs on April 19th - it is visible high in the southern sky in early evening.  


World Creativity and Innovation Day.

During World Creativity and Innovation  Day, April 21 (WCID) and Week April 15 – 21 (WCIW) individuals, families, teams, leaders, nations, organizations, students, and communities are acknowledged informed inspired   encouraged to use their creativity – to be open to and generate new ideas, to be open to and make new decisions and to be open […]


Lyrids Meteor Shower

Peak: ~Apr 21-22, 2020 The Lyrids are a medium strength shower that usually produces good rates for three nights centered on the maximum. These meteors also usually lack persistent trains but can produce fireballs. These meteors are best seen from the northern hemisphere where the radiant is high in the sky at dawn. Activity from […]

Mercury at Perihelion

Mercury's 88-day orbit around the Sun will carry it to its closest point to the Sun – its perihelion – at a distance of 0.31 AU from the Sun.

Official Calendar

2023 Vatican Observatory calendars now available for purchase in our e-store!