this post was submitted on 09 Nov 2026
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xkcd #3322: Dragonfly

Title text:

I'm excited for Dragonfly, because on the list of places in the solar system that I desperately want more pictures from, 'Titan's surface' is right up there at the top with 'Jupiter's atmosphere.'

Transcript:

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Source: https://xkcd.com/3322/

explainxkcd for #3322

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[–] 2ndDegreeOWO@lemmy.world 25 points 18 hours ago (3 children)

Ah, but what if you brought a large balloon, inflated it, and flew a helicopter inside the balloon?

[–] EarMaster@lemmy.world 9 points 16 hours ago

Jupiter is already on the list…

[–] valkyre09@lemmy.world 12 points 18 hours ago (1 children)

Blowing my mind that Gas Giants are just big ole balloons

[–] Darkmuch@lemmy.world 14 points 16 hours ago (3 children)

It’s an inside out balloon! Gravity holds the atmosphere in, not a cloth sheet

[–] HeyThisIsntTheYMCA@lemmy.world 1 points 36 minutes ago

i see, gravity is made out of cotton

[–] atopi@piefed.blahaj.zone 1 points 4 hours ago

So you are saying that with some cloth or plastic, you can break the record for biggest balloon?

[–] 2ndDegreeOWO@lemmy.world 13 points 15 hours ago (1 children)

And I have a hard time believing that there isn't some solid or liquid (or maybe some other exotic state of matter, due to the heat and pressure) inner core way down in there, even if it's relatively tiny compared to the size of the planet.

Even if it was entirely made of gas when it formed, surely some materials would have fallen in over the eons that could stay solid/liquid at the pressure/temperature of a gas giant's core?

[–] alsimoneau@lemmy.ca 4 points 6 hours ago

There is a core, it's just comparatively tiny and does not have a clear boundary

[–] kayzeekayzee@lemmy.blahaj.zone 2 points 18 hours ago

Filling the balloon woth helium should keep it from hitting the ground and popping