AMNH's Astronomy Online
Time Out says
Although the American Museum of Natural History is open, the Hayden Planetarium has remained closed. But that doesn't mean out-of-this-world astronomy lessons have to stop. Quite the opposite, actually. The first Friday of each month is dedicated to a virtual lesson on the cosmos on the Museum's YouTube channel. To kickstart the year will be "Secrets of Saturn" on Jan 8. All ages.