In today's image, we see the largest moon in the solar system, Ganymede as imaged by the Juno spacecraft back in 2021. This moon, larger than the planet Mercury, has an icy cratered surface, but also possible signed of activity and a liquid ocean well below the icy surface.

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This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.

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