Scientists find a surprise ingredient in exoplanet cake mix — sulfur dioxide

Nice to see science progressing where more elements are detectable in exo atmospheres. This is essential to find real "habitability".

As for sulfur, it's hard to not think about Io and all its sulfur. It seems very likely it and Jupiter formed outside the frost line, allowing so much H & He to make Jupiter so massive. So wouldn't an exo like this one not have migrated from outside the frost line, too.? Interesting to ponder.
 
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