Hermann Ludwig Ferdinand von Helmholtz (31 August 1821 – 8 September 1894) was a German physicist and physician who made significant contributions in several scientific fields. The largest German association of research institutions, the Helmholtz Association, is […]
John Herbert Chapman (August 28, 1921 – September 28, 1979) was a Canadian space researcher. He started his career with his work on radio propagation and the ionosphere. Chapman was a member of the Royal Society of […]
The Moon’s distance from Earth varies throughout its monthly orbit because the Moon’s orbit isn’t perfectly circular. Every month, the Moon’s eccentric orbit carries it to apogee – its most distant point from […]
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 […]
Mercury's 88-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.47 AU.
The planet Venus will appear 1° 30' from the star Spica at sunset on this date.
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 […]
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. […]
Fall begins with the autumnal equinox - in the Northern Hemisphere, it's the September equinox; in the Southern Hemisphere, it is the equinox in March.
Michigan's Largest Free Astronomy Event - 25th Year! This year will feature VIRTUAL STAR PARTIES and some live presentations.
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 […]