Calendar

Labor Day (USA)

Labor Day is a federal holiday in the United States celebrated on the first Monday in September in any given year (i.e. a single day from September 1 through September 7) to honor and recognize […]

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 […]

Europlanet Science Congress

Online

Čapek D., Kohout T., Pachman J., Macke R. J., and Koten P. will discuss "Digital 3D shapes suitable for the description of meteoroids" at the Europlanet Science Congress 2021. #EPSC2021-306. […]

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.

Mission to Mars in KSP

Online

Bob Trembley gives a live demo of a space mission to another planet in Kerbal Space Program, from launch to landing – without the 8 month wait! Catastrophic unplanned disassembly […]

Tour of the Solar System in SpaceEngine

Online

Bob Trembley gives a live tour of some interesting places around our solar system using SpaceEngine: Saturn’s Rings, Pluto and Charon, Mercury’s double sunrise, and more! Join Zoom Meeting https://us02web.zoom.us/j/83948071812?pwd=dGFlOEJrSDJ3c3c3Ty9IeHdHTW9udz09 […]