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(io9)   What would a habitable planet twice the size of Earth be like? It might surprise you   (io9.com) divider line 74
    More: Interesting, Earth, planetary habitability, surface gravity, escape velocity, radius, hydrogen gas, albedo, lithosphere  
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10585 clicks; posted to Geek » on 04 Dec 2013 at 5:36 PM (41 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-12-04 10:12:41 PM
At least Ice IV/VII won't freeze you solid if you ingest it, unlike Ice9.
 
2013-12-04 10:58:12 PM
I'd prefer to be marooned on the 'wet' one if it came to that. You'd need a lot of drammamine while bobbing in the giant slow swells, but at least you'd be able to breathe while Professor Farnsworth figured something out.
 
2013-12-04 11:35:53 PM

eyeq360: It's like song and dance will solve all your problems.


You clearly have no idea what magic is like in actual legends, but you probably know everything there is to know about Krynn. You must be one of those guys who never used a divination spell and who loaded every spell slot with fireball, lightning bolt, and magic missile.
 
2013-12-04 11:38:04 PM
What would a habitable planet twice the size of Earth be like?

The Fark-equivalent website would have twice as much whining about articles that are too intelligent and in-depth, and would feature twice as many headlines about meth-heads shooting guns at ugly-ass puppies and nailing their penises to things.
 
2013-12-04 11:39:32 PM

Bennie Crabtree: eyeq360: It's like song and dance will solve all your problems.

You clearly have no idea what magic is like in actual legends, but you probably know everything there is to know about Krynn. You must be one of those guys who never used a divination spell and who loaded every spell slot with fireball, lightning bolt, and magic missile.


You forgot Stinking Cloud. Need to max out second level attack spells too.
 
2013-12-04 11:58:31 PM
3.bp.blogspot.com
 
2013-12-05 12:09:26 AM

eyeq360: To quote from the article:
Both Double-Earths are waterworlds, but one is deep. Neither has any land.

That's great.  Did io9 even see the movie Waterworld?  Both worlds would be gigantic flops and have Kevin Costner as one of the few friendly people on the planet.  No thank you...


i196.photobucket.com
 
2013-12-05 12:42:45 AM

doglover: What would wild ass speculation be like? Irrelevant until we have the technology to travel interstellar distances.


We already do.  We currently have the technology to travel interstellar distances ust really farking slowly, however a large enough starship with enough people onboard to be a viable breeding colony (2,000 - 3,000 minimum) carrying sufficient spare parts for the trip and well you could build it right now.  Generation ships, they're theoretically a thing.

Now if you're talking about a field trip there and potentially back again within the lifespan of your average human?  Yeah, long way to go.
 
2013-12-05 12:52:50 AM

eyeq360: Peki:

I can't read Tolkien because he likes to describe to the inch the distance between the bark lines on the trees of whatever the hell. Much easier for me to go "Oh, if the atoms in the atmosphere absorb mostly blue light, then the atmosphere ought to be red."

I like Tolkien, and I don't mind his detail that he goes into things.  It's part of the whole kit and caboodle when you deal with high fantasy stories involving elves, dwarfs, and other creatures.  But what irks me the most is that he has an annoying habit of expressing everything in poetry.  Sure, he was a professor who specialized in Anglo-Saxon and English Language and Literature, but I doubt it was necessary to spout that much poetry for everything.  And some of it got really childish and laughable, and it took away from the books.
Boromir got turned into an orc arrow pincushion?  Let us sing lamenting dirges while shedding manly tears of sadness at the loss of a brother in arms.
Rousing the Riders of the Mark?  Let me, the King of Rohan, recite some poetry.
In trouble and need to summon Tom Bombadil?  Recite these dozen lines or so calling me in song, and remember to recite them exactly as I say them to you, or I may not come.  Sure, you might be sucked in by evil spirits related to the Witch King of Angmar, who just happened to wipe out the humans here a while back, but that's secondary.
It's like song and dance will solve all your problems.


A little song
A little dance
A little Sauron down your pants
 
2013-12-05 02:51:37 AM
Didn't XKCD already do this?
 
2013-12-05 03:20:34 AM

eyeq360: To quote from the article:
Both Double-Earths are waterworlds, but one is deep. Neither has any land.

That's great.  Did io9 even see the movie Waterworld?  Both worlds would be gigantic flops and have Kevin Costner as one of the few friendly people on the planet.  No thank you...


img.fark.net

What a pisser
 
2013-12-05 04:46:52 AM
I'm going to guess it'd be like earth, only twice the size of what I'm normally used to.
 
2013-12-05 07:11:05 AM
Meh, badly written and poor analysis.

What about twice the surface area? What about twice the mass? What about something in a more off-kilter orbit? Would it have more moons? If both of them are covered in water, what size does it become only, say, 10% land? At What size does an earth-like planet become %50-%50 water/land? At what point does terrestrial megafauna (creatures like us) stop existing?

Come on, man, if you're going to do exogeography then farkin' DO IT.
 
2013-12-05 07:12:42 AM
There wouldn't be any Applebee's.

Which leaves more room for Red Lobster.
 
2013-12-05 07:21:43 AM

Suckmaster Burstingfoam: Bennie Crabtree: eyeq360: It's like song and dance will solve all your problems.

You clearly have no idea what magic is like in actual legends, but you probably know everything there is to know about Krynn. You must be one of those guys who never used a divination spell and who loaded every spell slot with fireball, lightning bolt, and magic missile.

You forgot Stinking Cloud. Need to max out second level attack spells too.


People have been conditioned to not like pure Div spells because DMs hate having to give away plot.

/my next Pathfinder Society character might be a Div specialist
 
2013-12-05 07:36:39 AM
Imagine Texas...ONLY BIGGER!
 
2013-12-05 07:42:32 AM
Nothing in that article surprised me, considering it is complete speculation.
 
2013-12-05 08:14:15 AM

UNC_Samurai: Suckmaster Burstingfoam: Bennie Crabtree: eyeq360: It's like song and dance will solve all your problems.

You clearly have no idea what magic is like in actual legends, but you probably know everything there is to know about Krynn. You must be one of those guys who never used a divination spell and who loaded every spell slot with fireball, lightning bolt, and magic missile.

You forgot Stinking Cloud. Need to max out second level attack spells too.

People have been conditioned to not like pure Div spells because DMs hate having to give away plot.

/my next Pathfinder Society character might be a Div specialist


If all your MU is doing is divining stuff, he could just stay in town and let everyone else get killed without him.
 
2013-12-05 08:48:06 AM

Suckmaster Burstingfoam: UNC_Samurai: Suckmaster Burstingfoam: Bennie Crabtree: eyeq360: It's like song and dance will solve all your problems.

You clearly have no idea what magic is like in actual legends, but you probably know everything there is to know about Krynn. You must be one of those guys who never used a divination spell and who loaded every spell slot with fireball, lightning bolt, and magic missile.

You forgot Stinking Cloud. Need to max out second level attack spells too.

People have been conditioned to not like pure Div spells because DMs hate having to give away plot.

/my next Pathfinder Society character might be a Div specialist

If all your MU is doing is divining stuff, he could just stay in town and let everyone else get killed without him.


Pathfinder Divs aren't your AD&D Augurs - big bonuses to initiative, tactical divination spells, and several times per day you can touch buff an ally as an SLA.
 
2013-12-05 09:55:40 AM

Arctic Phoenix: Okay, guys, for those of you who didn't read the whole article:

Oceans would probably be red due to increased algae (more water means more moderated temps and, therefore, more algae, especially of the red variety) and the sky would, therefore, likely be pink in the evening/morning and purple during the day.  Happy now?


Which assumes the planet has red algae, which is a pretty stupid assumption. If, the origin of life on both planets are independent of one another, we can't assume much of anything. We may stick with "generally DNA, RNA, and Proteins" for ease of use and assuming that is the only possible combination, but even that is a little dicey. Red algae are a product of earth's evolutionary history and it is a pretty crazy one. You have the endosymbiosis event between an early eukaryotic single-celled lineage and a cyanobacterial one, leading to chloroplasts as an organelle. And then red alage were the result of one single-celled eukaryotic lineage undergoing another endosymbiotic event with a photosynthetic eukaryote (algae), leading to a similar but slightly different organellar system.

Given those events happened within the last billion years or so, they don't share a common origin with any extra-solar planets in our galaxy. The odds of those events happening on both places is astronomical. There will be some sort of photosynthesizers, but they won't be our algae or even cyanobacteria.
 
2013-12-05 10:28:33 AM
Can you imagine the scale of 3D printers on those planets?!  Whoa!!
 
2013-12-05 12:15:57 PM

ThatBillmanGuy: Ambivalence: Three Crooked Squirrels: I got about a paragraph and a half in before deciding I had no idea what the hell he was talking about.

Yep.

Same. Usually I can tough it out if I feel I might learn something new about science, but this article just activated my TL;DR sense almost immediately.


I am glad I am not alone. I was starting to feel stupid.
 
2013-12-05 07:59:52 PM

rubi_con_man: What about twice the surface area? What about twice the mass?


I kinda doubt you read the article. He dealt with this first, and addressed moon influences a little later (when deciding if tidal forces would create an Io-like sulphuric acid ocean mix or something more akin to an H2O Titan).

entropic_existence: Given those events happened within the last billion years or so, they don't share a common origin with any extra-solar planets in our galaxy. The odds of those events happening on both places is astronomical. There will be some sort of photosynthesizers, but they won't be our algae or even cyanobacteria.


This becomes a little less true if you accept an extraterrestrial origin for life on Earth (I'm talking comet deposits, not humanoid aliens--comet could be a remnant of an extrasolar planet. . . . since we're speculating, might as well go for gold).
 
2013-12-06 01:16:42 AM

entropic_existence: The odds of those events happening on both places is astronomical.


If you haven't noticed, the number of times and places nature gets to try it is even more astronomical. If it can happen once, it's pretty much bound to happen at least twice.
 
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