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Mini-Neptunes, Giant Earths or Something Else?

Interesting. I'd sometimes wondered what those mid-range planets might be like.

Still, it shouldn't matter one whit regarding Hyd-skimming. Super-critical water fluid should be as easy as any other form--especially at lower pressures (high atmosphere) where it transitions into normal vapor--to liquefy and purify.
 
Honeymoon Worlds, because every day is steamy...

I had to remove my Traveller hat briefly at the end of the article when it mentioned the one discovered world as being possible 37% water. Not 37% covered, but 37% by volume. That's a lot of water.

Putting the Traveller hat back on, it occurs to me that the Panthallasic Worlds that were in some of the T5 drafts are back on the table.
 
:ssb:

Some cool planet info. thanks! now to plug-in some mini-Neptunes with steamy oceans someplace.

Just don't forget that they may not have water surfaces - they can go straight from wet-air to airy-water.

If you fancy finding some supercritical water on earth - just above a black-smoker will cook your sub quite well.
 
A fun thought - supercritical fluids respond profoundly, even violently, to pressure changes.

Such atmospheres will have a variety of bizarre effects from a ship's wake.
 
Dragon-scale in the fuel intake sounds worse...The engineer would be most unhappy.

There is a classic scene in the series Firefly where the captain sends a baddie through the engine. It occurred to me that if you tried that on a Beowulf, as they are not turbines, but simply fuel scoops, the affects would be comically different.

You know that guy had all kinds of bits of metal on him, chewing up turbine blades as he passed through.
 
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