A deep dive into the four Galilean moons of Jupiter: Io, Europa, Ganymede and Callisto. Astrum merch now available! Apparel: https://teespring.com/stores/astrums... Metal Posters: https://displate.com/promo/astrum?art...

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Image Credits: NASA/ESA
Music Credit: Marek Poledna

0:00 Introduction
1:07 Io
13:01 Europa
24:18 Ganymede
34:05 Callisto