AAVSO's free webinar is from 2:00 pm to about 3:00 pm ET, and features Dr. David Whelan (Austin College) presenting on "Classifying Algol C, the Non-Eclipsing Member of the beta Persei System."

The SKA Science conference 2021, “A precursor’s view of the SKA sky”, is a fully virtual event that has been designed to allow participation from all countries and timezones. The format of the meeting will include...

Gas in the halos of galaxies dominates the universe's baryon budget, traces its dark-matter potential wells, and supplies the fuel for star formation. Circumgalactic gas has also long been suspected to regulate galaxy...

Whenever an observation of an astrophysical source must be converted from instrumental values to physical units, we use flux calibration. As new questions are formulated and new capabilities become available, the...

The 9th Gulf Coast Gravity Meeting will be held at the University of Mississippi, Oxford, MS, on March 13 and 14, 2020. In the tradition of the Gulf Coast Gravity Meetings, students and postdocs are strongly encouraged...

The 2020 Next-Generation Suborbital Researchers Conference (NSRC-2020) will be held in Colorado, 2-4 March.