Exomoons: Why study them? What can they teach us about finding life beyond Earth?

Japan launches advanced Earth-observing satellite on 3rd flight of H3 rocket (video)

A new study (n = 51 US undergraduates) finds that teleportation is the most valued superpower (beating out mind-control, flight, and supernatural physical strength), with people willing to sacrifice an average of five years of their life for this ability.

Supernovae: Why study them? What can they teach us about finding life beyond Earth?