For today’s post, I hopped in my imaginary spaceship and flew all the way out to Io, one of Jupiter’s moons. Without a doubt, Io is the ugliest object in the Solar System.
I know, that’s mean. I shouldn’t say things like that. But come on, just look at it. Seriously, look at it. It’s like some moldy horror you might find in the back of the fridge.
So yeah, Io’s hideous. Let’s go look at something else instead. Something pretty, like Jupiter’s auroras.
We have auroras back on Earth, of course, but Jupiter’s are a whole lot bigger, a whole lot more powerful, and when viewed in ultraviolet, a whole lot brighter. Also, unlike Earth’s auroral lights which come and go, Jupiter’s are always there. They may vary in intensity, but they never stop, never go away.
Auroras are caused by charged particles getting caught in a planet’s magnetic field, directed toward the magnetic poles, and colliding at high speed with molecules in the planet’s atmosphere.
On Earth, those charged particles come mostly from the Sun in the form of solar wind. No doubt the solar wind contributes to Jupiter’s auroras as well, but the greater contributing factor is actually—believe it or not—Io. That’s right: ugly, little Io causes Jupiter’s auroras. I guess spreading ionized sulfur all over the place is good for something after all!
In fact if you ever get to see a Jovian aurora, you’ll notice little knots in the dancing ribbons of light. These knots correspond to the positions of several of Jupiter’s moons. And the largest, brightest, most impressive of these knots… that one belongs to Io.
So I guess today’s lesson is that even the ugliest object in the Solar System can still help make the universe a more beautiful place.
Planet Pailly 
I love your comics!
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Thanks!
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it looks like cheese lol
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More than one moon can be made of cheese.
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Poor, unloved Io. No one to go to the dance with.
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Going forward, I’m going to try to give Io some more love. There’s no place else like it in the Solar System. It deserves a little attention.
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Kind of how I feel about Miranda. Beaten up and craggy. It’s a great place, too. No sulfur death donuts, though. I guess Io wins there.
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I disagree. I don’t find Io ugly. Actually I also find some of those moldy things one sometimes finds in the fridge quite beautiful.
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When I saw a picture of Io for the first time, I actually gagged a little. The yellow green color just looks nasty. And given how much sulfur there is, it probably wouldn’t smell good either.
However, as I’ve learned more about Io, I kind of see the beauty of it. There’s no place else even remotely like it elsewhere in the Solar System.
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at least io does not look like a beaten up old lady like miranda
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That’s true.
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io isnt as ugly as phobos and mimas
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With Io it’s the color that gets me, but it’s true: there are a lot of other messed-up looking objects out there.
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I think that io looks a bit like an abstract painting
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I kind of love that. Never thought about it that way before, but if Jackson Pollock were to create a moon, it would probably look a lot like Io.
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lo is the ugliest moon in the whole world. I can’t even look at it bro, it’s so ugly. It also looks like vomit that was shot by 88273892793 bullets. Byeee
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I’m kidding btw, I’m just being dramatic, but I do find it ugly.
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The first time I saw a picture of Io, I thought it looked like a piece of fruit that had been sitting in the back of the fridge for too long. I’ve learned to appreciate Io since then, but yeah… it is pretty revolting at first glance.
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