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AAVSO Webinar, with Dr. David Whelan (Austin College)
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."
SKA Science Meeting: A Precursor View of the SKA Sky
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...
Fundamentals of Gaseous Halos
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...
Multiwavelength Probes of Galactic Atmospheres
The circumgalactic medium (CGM) can be viewed as an atmosphere that surrounds a galaxy and sustains star formation within it. Much of what we know about the CGM has come from absorption-line spectroscopy, mainly in the...