So the density of planetary rings is generally speaking much higher than you might think, being closer to air than to actual space. Now this is misleading because much of that density is in rocks that are thumbnail sized up to a couple meters across, so there's a lot of vacuum in between them1
Let's assume the Folgers Crystals were distributed exactly as the rings were - so we get clumps of crystals at variable density spread throughout this ring. And lets also assume that we don't replace all the rocks - let's make it 50%. The other 50% is rocks and diffuse gases.
Now let's assume further. Let us pretend this hypothetical planet (FC-50/50) is similar to Saturn in terms of overall composition - but is in the habitable zone of its host star. Where water droplets could form. And let's also assume - correctly - that Folgers doesn't perfectly sterilize its coffee crystals so some bacteria exist in there. The rings are, of course, within the planet's magnetosphere so get some UV protection, and some of those bacteria will be able to stay alive through various anaerobic processes long enough to adapt to an environment where they are living on near airless mixtures of coffee, rock, and water.
This could form the basis of a void ecology.
Imagine those bacteria then evolving over time. Multicellular life living in the void is silly on it's face, but in practice it's just a matter of developing strategies to exist at lower speeds and protecting your body from the ravages of the vacuum, regularly entering cryptobiosis as you float between rocks in the rings, propelling yourself by leaps between surfaces at first, and then developing organs to ferment some of the coffee you consume and turn it into organic rocket engines when you squeeze to expel it. One can imagine plant-like structures forming that send sticky tendrils waving into the void until they gather nearby small rocks, forming them into larger bodies.
This would be an ecosystem entirely reliant on materials gathered from these rocks, no gasses. They'd have specialized organs to store rocks and water droplets they collected, eventually excreting the stone and any waste matter as they slowly extracted oxygen, carbon, and other materials from the coffee crystals.
The sheer variety of life that would be possible around FC-50/50, while not likely, is entirely plausible. And I'm enough of a nerd to enjoy thinking about how that could look. I'm just imagining the weird life that would evolve for this environment, gathering Folgers together to take into these unique organ systems - let's call them Coffee Unbonding Pathways - and storing them between periods of cryptobiosis. Activation in this organ would be what helped them reanimate and rewaken between void jumps.
In such a scenario, for all life around FC-50/50, it would be true to say this: that the best part of waking up is Folgers in your CUP.
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I am not an astronomer, this is based loosely on my understanding from basic research.
