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Thread: The Garden Worlds article
Post: RE: The Garden Worlds article
| The real challenge is not the pressure. The critical point of water is far less than say, the pressure in the Mariana Trench where macroscopic organisms live. No, the real challenge is temperature. |
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MichaelPoole |
Encyclopaedia Galactica Articles
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13 |
205 |
06-14-2022, 06:59 PM |
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Thread: The Garden Worlds article
Post: RE: The Garden Worlds article
| What I find most challenging - and interesting! - about envisioning life based in supercritical water is the chemistry tbh. Supercritical water is a great solvent and in deep ocean worlds may even be ... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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13 |
205 |
06-14-2022, 09:49 AM |
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Thread: The Garden Worlds article
Post: RE: The Garden Worlds article
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The Astronomer Wrote: (06-10-2022, 10:06 AM)
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MichaelPoole Wrote: (06-10-2022, 10:02 AM)
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The Garden World article has many potentially very interesting and cool planets, including biospheres us... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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13 |
205 |
06-10-2022, 10:15 AM |
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Thread: The Garden Worlds article
Post: The Garden Worlds article
| The Garden World article has many potentially very interesting and cool planets, including biospheres using supercritical water, CO2 or a carbon monoxide-hydrocarbon mix as a liquid medium. The only p... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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13 |
205 |
06-10-2022, 10:02 AM |
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Thread: ArcBuilders universe
Post: ArcBuilders universe
| Hello, anyone remembers the universe and perhaps has some archive links about it please? It seemed to have disappeared from the Internet, which is really sad. I loved the setting, and I preferred the ... |
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MichaelPoole |
Books, Games, Movies, and TV
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2 |
958 |
12-30-2021, 12:31 PM |
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Thread: Mnemosyne - a picture of Solar System in the 27th century
Post: RE: Mnemosyne - a picture of Solar System in the 2...
| Drashner1Hm. Ok. Based on the above, my sense is that any feedback anyone provides will simply be dismissed or after-the-fact rationalized away (using information you failed to provide in the first pl... |
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MichaelPoole |
General Off-topic Discussion
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21 |
19,313 |
06-18-2020, 11:57 AM |
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Thread: Naphthalean worlds
Post: RE: Naphthalean worlds
| What would be the atmosphere of such worlds? Plenty of CO, hydrogen (on higher mass worlds) I assume? |
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MichaelPoole |
General Setting Discussion
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15 |
250 |
05-28-2020, 01:46 AM |
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Thread: Mnemosyne - a picture of Solar System in the 27th century
Post: RE: Mnemosyne - a picture of Solar System in the 2...
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Drashner1 Wrote: (05-19-2020, 02:04 AM)
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Starting from that number and ignoring emigration from Earth we are looking at 498 years for population to grow.
At a growth rate of 1.2% we end up with 38... |
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MichaelPoole |
General Off-topic Discussion
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21 |
19,313 |
05-25-2020, 08:44 AM |
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Thread: AreanXeric planet subtype
Post: RE: AreanXeric planet subtype
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stevebowers Wrote: (05-24-2020, 03:20 AM)
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these worlds could come in many types, from nearly Gaian to nearly LithicGelidian.
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That's very interesting, are there any examples of these 2 extreme... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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23 |
278 |
05-24-2020, 04:03 AM |
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Thread: AreanXeric planet subtype
Post: RE: AreanXeric planet subtype
| Back on topic, just how varied are Arean worlds? How different from Mars can they get? |
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MichaelPoole |
Encyclopaedia Galactica Articles
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23 |
278 |
05-24-2020, 02:21 AM |
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Thread: The World Garden
Post: RE: The World Garden
| Both a question and a suggestion kinda - can some concievable form of exotic life exist in flowing "dirty" ice? That is, solid water or other substance with something dissolved in it? |
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MichaelPoole |
Encyclopaedia Galactica Articles
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182 |
3,234 |
05-21-2020, 05:14 AM |
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Thread: The World Garden
Post: RE: The World Garden
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dangerous_safety Wrote: (05-17-2020, 08:48 AM)
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MichaelPoole Wrote: (05-17-2020, 07:30 AM)
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Hmm, how about straight up silicon biochemistry for the NaCl solvent life? Isaac Arthur said in his v... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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182 |
3,234 |
05-17-2020, 08:53 AM |
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Thread: The World Garden
Post: RE: The World Garden
| Hmm, how about straight up silicon biochemistry for the NaCl solvent life? Isaac Arthur said in his video on exotic biochemistries that silicon based life may exist in liquid rock and use aluminium i... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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182 |
3,234 |
05-17-2020, 07:30 AM |
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Thread: Mnemosyne - a picture of Solar System in the 27th century
Post: RE: Mnemosyne - a picture of Solar System in the 2...
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Dfleymmes1134 Wrote: (05-16-2020, 02:06 PM)
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I think it's a little weird that the kuiper hegemony has "pirate" raids on mercury, given how relatively far they'd have to travel compared to targets. ... |
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MichaelPoole |
General Off-topic Discussion
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21 |
19,313 |
05-17-2020, 06:45 AM |
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Thread: Mnemosyne - a picture of Solar System in the 27th century
Post: RE: Mnemosyne - a picture of Solar System in the 2...
| 1. Do you realize that the world population as long into the past as Mnemosyne is in the future (630 years) was just 350-400 million while now it is 7.8 billion? As wiki says, it took over 200,000 yea... |
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MichaelPoole |
General Off-topic Discussion
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21 |
19,313 |
05-17-2020, 06:36 AM |
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Thread: The World Garden
Post: RE: The World Garden
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dangerous_safety Wrote: (01-17-2020, 02:46 PM)
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- A hot molten salt (NaCl) ocean world, with very rapidly metabolizing algae-like blooms visible from orbit, poping up and dissapearing over the cour... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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182 |
3,234 |
05-17-2020, 03:56 AM |
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Thread: AreanXeric planet subtype
Post: RE: AreanXeric planet subtype
| Back on topic, I imagined and sketched some trajectories on your diagram. Are they possible and if so, how likely are they?
Image:
Trajectories:
Light blue: Rhean AquaGaian -> (drier)Rhean A... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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23 |
278 |
05-16-2020, 07:04 AM |
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Thread: Mnemosyne - a picture of the mid-27th century Solar System
Post: RE: Mnemosyne - a picture of the mid-27th century ...
| I'd like the mods to please delete this as I posted it here in what I think is the more approperiate section:
https://www.orionsarm.com/forum/showthread.php?tid=4649 |
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MichaelPoole |
Other Media
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1 |
56 |
05-16-2020, 03:24 AM |
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Thread: Mnemosyne - a picture of Solar System in the 27th century
Post: RE: Mnemosyne - a picture of Solar System in the 2...
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Drashner1 Wrote: (05-15-2020, 01:25 PM)
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So, I had some time tonight and decided to start taking a look at these files.
However, it appears that in order to see them I am required to add a tab t... |
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MichaelPoole |
General Off-topic Discussion
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21 |
19,313 |
05-16-2020, 03:10 AM |
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Thread: AreanXeric planet subtype
Post: RE: AreanXeric planet subtype
| I see! This is a bit off topic but how do Apnean bodies like Luna and Mercury evolve? Luna may have had an atmosphere for over 70 million years and even some liquid water early in its history https://... |
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MichaelPoole |
Encyclopaedia Galactica Articles
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23 |
278 |
05-15-2020, 11:00 AM |
