Betelgeuse dimming again! Hubble understands last winter’s dimming. Plus Ganymede hit with massive asteroid in distant past.

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By Pamela Gay, Dr. Pamela Gay, and Annie Wilson. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

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.

248 episodes