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Groups > alt.astronomy > #313700 > unrolled thread
| Started by | a425couple <a425couple@hotmail.com> |
|---|---|
| First post | 2026-10-08 08:14 -0700 |
| Last post | 2026-10-18 02:37 +0000 |
| Articles | 3 on this page of 23 — 6 participants |
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This mysterious hole on the Moon may open into a giant cave a425couple <a425couple@hotmail.com> - 2026-10-08 08:14 -0700
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-08 18:15 -0400
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-09 00:46 +0000
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-08 21:13 -0400
Re: This mysterious hole on the Moon may open into a giant cave Daniel <me@fuhgitabutit.com> - 2026-10-12 19:38 -0700
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-13 03:30 +0000
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-13 10:08 -0400
Re: This mysterious hole on the Moon may open into a giant cave Daniel <me@fuhgitabutit.com> - 2026-10-13 09:57 -0700
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-13 16:08 -0400
Re: This mysterious hole on the Moon may open into a giant cave Kualinar <kuakinar@videotron.ca> - 2026-10-14 10:11 -0400
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-14 16:32 +0000
Re: This mysterious hole on the Moon may open into a giant cave Daniel <me@fuhgitabutit.com> - 2026-10-14 14:14 -0700
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-18 05:25 +0000
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-18 07:10 -0400
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-18 19:53 +0000
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-18 18:01 -0400
Re: This mysterious hole on the Moon may open into a giant cave R Kym Horsell <kym@sdf.org> - 2026-10-19 00:23 +0000
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-19 08:04 -0400
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-19 09:33 -0400
Re: This mysterious hole on the Moon may open into a giant cave "Jim Wilkins" <muratlanne@gmail.com> - 2026-10-14 18:42 -0400
Re: This mysterious hole on the Moon may open into a giant cave Daniel <me@fuhgitabutit.com> - 2026-10-17 10:40 -0700
Re: This mysterious hole on the Moon may open into a giant cave Rockinghorse Winner <Rockinghorse@amgen.com> - 2026-10-18 02:38 +0000
Re: This mysterious hole on the Moon may open into a giant cave Rockinghorse Winner <Rockinghorse@amgen.com> - 2026-10-18 02:37 +0000
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| From | Daniel <me@fuhgitabutit.com> |
|---|---|
| Date | 2026-10-17 10:40 -0700 |
| Message-ID | <8733u49qfe.fsf@fuhgitabutit.com> |
| In reply to | #313714 |
"Jim Wilkins" <muratlanne@gmail.com> writes: > "Kualinar" wrote in message news:11ao2iu$1ht2r$1@dont-email.me... > > Here again, the subsurface water of Mars and the moons of the Solar > system is NOT expected to be similar to what we found here on Earth. > After all, they where formed in vastly different regions of the > protoplanetary disk, regions with vastly different chemical composition. > Different salinity, from different salts. Also, different isotopic ratio. > > --------------------------- > https://spaceplace.nasa.gov/all-about-uranus/en/ > "Uranus is made of water, methane, and ammonia fluids above a small > rocky center." > > Ammonia and methane levels can be high in the absence of gaseous > oxygen, and both dissolve in water, significantly changing its > properties. > https://en.wikipedia.org/wiki/Methane_clathrate > > Ammonia greatly reduces the freezing point of its solutions with water. > https://www.tannerind.com/PDF/green-aqua-amm.pdf > > Life might exist in water containing them, for instance hydrogen > sulfide is as poisonous to us as cyanide yet some Earth bacteria > produce it. > https://en.wikipedia.org/wiki/Hydrogen_sulfide You didn't read my original response completely. -- Daniel sysop | air & wave bbs finger | info@bbs.airandwave.net
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| From | Rockinghorse Winner <Rockinghorse@amgen.com> |
|---|---|
| Date | 2026-10-18 02:38 +0000 |
| Message-ID | <11b1bf5$pajf$2@dont-email.me> |
| In reply to | #313711 |
On 2026-10-14, Kualinar <kuakinar@videotron.ca> opined as follows: > Le 2026-10-13 à 12:57, Daniel a écrit : >> R Kym Horsell <kym@sdf.org> writes: >> >> >> Our moon having subsurface water would be a shocker to me. Though if it >> did, it would have come from earth, so earth-like salination ratios >> wouldn't be surprising. > > When the Moon was formed, Earth didn't have oceans yet. Then, initially, > the salinity was pretty low. > So, we should NOT expect the salinity of eventual Lunar water to be > similar to that of the modern Earth. Exactly. > >> >> The other moons, not so much. I mean, everything formed out of the same nebula >> after all. So if a subsurface water ocean were seriously present on >> Enceladus would it surprise you that it, too, is salinated? > > Here again, the subsurface water of Mars and the moons of the Solar > system is NOT expected to be similar to what we found here on Earth. > After all, they where formed in vastly different regions of the > protoplanetary disk, regions with vastly different chemical composition. > Different salinity, from different salts. Also, different isotopic ratio. > >> >> Isn't this all conjecture though? Many things scientists have >> predicted about our solar system turned out differently. I've adopted a >> 'wait-and-see' attitude and lean on no assumptions or hypothesis. >> >> Speaking on salination, I wasn't expecting Mars soil to be as hostile to >> organic life as it is. Watching the character grow potatoes with >> martian soil in "The Martian" had me laughing out loud in the >> theater. My wife glared at me. >> >
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| From | Rockinghorse Winner <Rockinghorse@amgen.com> |
|---|---|
| Date | 2026-10-18 02:37 +0000 |
| Message-ID | <11b1bdi$pajf$1@dont-email.me> |
| In reply to | #313709 |
On 2026-10-13, Daniel <me@fuhgitabutit.com> opined as follows: > R Kym Horsell <kym@sdf.org> writes: > >> Even more interesting, the salinity of some of the oceans on various moons >> is beleived to be within striking range of Earth's oceans. >> >> E.g. last guess I saw for Enceldus was 4-40 g/kg with Earth std around 35. >> Salinity and dissolved oxygen in liquid water are inversely related no >> matter where thay are which may hint that DO in Enceledus' ocean is also >> in ballpark range of Earth, maybe even higher (if less saline than 35%%). >> >> I'm hoping to ask someone that knows, eventually. :) > > Our moon having subsurface water would be a shocker to me. Though if it > did, it would have come from earth, so earth-like salination ratios > wouldn't be surprising. Granted the moon came out of the earth. But I'm pretty sure that was well before the salination of the seas. Maybe even before the seas themselves?
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