Calendar

Lord Ernest Rutherford, Nobel Prize for nuclear physics, b. 1871

Ernest Rutherford, 1st Baron Rutherford of Nelson, OM, FRS, HonFRSE (30 August 1871 – 19 October 1937) was a New Zealand-born British physicist who came to be known as the father of nuclear physics. Encyclopædia Britannica considers him to be the greatest experimentalist since Michael Faraday (1791–1867). He also spent a substantial amount of his career abroad, in both Canada and the United Kingdom. In early work, Rutherford discovered the concept […]

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 the American labor movement and the works and contributions of laborers to the development and achievements of the United States. It is the Monday of the long weekend known as Labor Day Weekend. - […]

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 in shadow then. Pictured here is the traditional New Moon, the earliest visible waxing crescent, which signals the start of a new month in many […]

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. Session date and time TBD.

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 is a distinct possibilityy Join Zoom Meeting https://us02web.zoom.us/j/83757462375?pwd=UG5naGJUQXY5bXhHbEJhekxPL0cvZz09 Meeting ID: 837 5746 2375 Passcode: 300659 One tap mobile +13017158592,,83757462375#,,,,*300659# US (Washington DC) +13126266799,,83757462375#,,,,*300659# US (Chicago) […]

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 Meeting ID: 839 4807 1812 Passcode: 933966 One tap mobile +13017158592,,83948071812#,,,,*933966# US (Washington DC) +13126266799,,83948071812#,,,,*933966# US (Chicago) Dial by your location +1 301 715 8592 […]