An awesome talk on #Betelgeuse by Andrea Dupree, showcasing @AAVSO data. Still dimming? #aas235 pic.twitter.com/yd5a6JYvcU— Dr. Stella Kafka (@stellakafka) January 7, 2020
An awesome talk on #Betelgeuse by Andrea Dupree, showcasing @AAVSO data. Still dimming? #aas235 pic.twitter.com/yd5a6JYvcU