A free, bi-monthly, single-evening class:
The Astro News Hour (free)
Class #8 → Tuesday, October 24, 2023, 7–8:15 PM
Join in a discussion on developments in astronomy hosted by Bob Marx.
News bulletins plus featured stories. Share a news item you’ve uncovered.
Feature – What’s Up with Betelgeuse, Red Giant Star in Orion?
It’s varying a lot in brightness… by more than 4 times.
Pre-supernova? Something else? Is this a concern for us?
