Betelgeuse dimming again! Hubble understands last winter’s dimming. Plus Ganymede hit with massive asteroid in distant past. - a podcast by Dr. Pamela Gay & Annie Wilson

from 2020-08-17T06:09:31

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Join us today as we take another look at the dimming antics of Betelgeuse, which is up to those old tricks again. Research from Hubble helped understand last winter’s event. And Ganymede is covered with one massive crater as a result of a giant impact four billion years ago.