NASA·Tech

Ganymede and Io pass in front of each other

Summarised by Spiced Kopi · 28 October 2026, 04:05 UTC ·9 sec listen

Jupiter’s moons Ganymede and Io appear to pass in front of one another in this mutual occultation. The alignment, seen from Earth, lets astronomers study the moons’ positions and surfaces as the event unfolds over time.

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