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Updated Titan Map
alan
post Sep 9 2006, 09:46 PM
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I'm looking for a recent map ot Titan. Steve Albers's page links to one done by Fridger Schrempp in April 2005. Cassini has done a dozen flybys since then. Does anyone know if an updated map has been released.
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nprev
post Dec 31 2006, 02:31 AM
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Just had an odd thought...Is Titan a cold "desert" planet?

Specifically, it almost seems as if the polar regions are the only areas where precipitation seems to occur with any degree of regularity. If Titan was a terrestrial planet with a similar pattern, the expectation would be that the lower latitudes were too hot to sustain an Earth-style hydrological cycle, and only the poles were temperate enough for habitation...like some of the pre-UMSF ideas about Venus, in some ways.

Again, just a thought. No matter how good our maps get, I think that interpreting them within an understandable framework will be a challenge for a LONG time.


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Bob Shaw
post Dec 31 2006, 08:08 AM
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QUOTE (nprev @ Dec 31 2006, 02:31 AM) *
Just had an odd thought...Is Titan a cold "desert" planet?


Hmm... ...that'd mean camels, wouldn't it? Camels might indicate *life*. If there's life there must be awl (it's a dessert, see?). If there's awl, we better invade!

Hey, things are looking up for the unmanned spaceflight budgie!

Still, if it's a dessert the proof will always be in the pudding.


Bob Shaw


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nprev
post Dec 31 2006, 08:40 PM
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QUOTE (Bob Shaw @ Dec 31 2006, 12:08 AM) *
Hmm... ...that'd mean camels, wouldn't it? Camels might indicate *life*. If there's life there must be awl (it's a dessert, see?). If there's awl, we better invade!

Hey, things are looking up for the unmanned spaceflight budgie!

Still, if it's a dessert the proof will always be in the pudding.
Bob Shaw


Well, at least we know the ice cream won't melt...EVER! rolleyes.gif

BTW, does anyone know what the current thinking is as far as 'methane monsoons'? Presumably they occur (if in fact they do) twice per Saturn year as the polar illumination gradually switches, and they probably wouldn't happen precisely at the time of the equinox due to thermal inertia. Any evidence of convective clouds creeping north from the southern hemisphere yet, or even happening further south due to the aformentioned inertia?

Some of the features in the equatorial regions remind me more and more of arroyos in the US Southwest. You have to wonder whether the atmosphere becomes supersaturated with methane and then one day just busts loose all over the equator... blink.gif


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JRehling
post Dec 31 2006, 10:17 PM
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QUOTE (nprev @ Dec 31 2006, 12:40 PM) *
Well, at least we know the ice cream won't melt...EVER! rolleyes.gif

BTW, does anyone know what the current thinking is as far as 'methane monsoons'? Presumably they occur (if in fact they do) twice per Saturn year as the polar illumination gradually switches, and they probably wouldn't happen precisely at the time of the equinox due to thermal inertia. Any evidence of convective clouds creeping north from the southern hemisphere yet, or even happening further south due to the aformentioned inertia?

Some of the features in the equatorial regions remind me more and more of arroyos in the US Southwest. You have to wonder whether the atmosphere becomes supersaturated with methane and then one day just busts loose all over the equator... blink.gif


I happened to drive across Arizona on I40 on a snowy day shortly after the second (?) Cassini flyby of Titan and I couldn't help but notice how much it seemed to fit what we knew about Titan.

What we know from Voyager and Cassini seems to indicate that the summer pole gets a ring of convection around 80 N/S that creates a lot of rain there. What happens at the equinox or in the dark of the winter pole we don't know yet, but notice that there appear to be lakes in the winter pole now and perhaps at the summer pole as well. I imagine Ralph Lorenz has ventured some opinions. I would guess that the (near) poles get more rain than any other location, enough to fill up lakes that are still full through a decades-long drought.

One of the most important things about Cassini's extended mission will be to see what seasonal changes take place on Titan. Bigger cloud structures can be seen from Earth, though, and presumably from the Webb Space Telescope.
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Posts in this topic
- alan   Updated Titan Map   Sep 9 2006, 09:46 PM
- - Decepticon   I believe we have one coming soon!? VP did ta...   Sep 10 2006, 12:48 AM
- - volcanopele   It's going I'm hoping to have it done...   Sep 10 2006, 02:36 AM
- - Decepticon   ^ Wow I got goose bumps!! Very excited n...   Sep 10 2006, 03:32 AM
- - CAP-Team   Any idea when the new map is released?   Oct 10 2006, 07:45 PM
- - volcanopele   Anytime between 20 minutes ago and next year.   Oct 10 2006, 11:16 PM
|- - ugordan   Umm...Is that estimate given with 3-sigma confiden...   Oct 11 2006, 06:57 AM
- - edstrick   "...Anytime between 20 minutes ago and next y...   Oct 11 2006, 10:02 AM
|- - paxdan   I always liked this method from the How to destroy...   Oct 11 2006, 10:27 AM
- - jsheff   Sure, and by then all the Titan maps will be gone,...   Oct 11 2006, 01:21 PM
|- - angel1801   I think the map makers are holding off until the p...   Oct 11 2006, 03:33 PM
- - volcanopele   actually no. I'm just a perfectionist...   Oct 11 2006, 03:56 PM
- - Spirit   So where can I find the last published map?   Nov 5 2006, 01:22 PM
|- - ugordan   Try this: http://ciclops.org/view.php?id=871 I don...   Nov 5 2006, 02:02 PM
- - Greg Hullender   Almost half way -- 42 days down, 40 to go. Unless...   Nov 22 2006, 05:52 AM
- - Decepticon   I hope we get some color this time! I can...   Nov 22 2006, 10:17 AM
|- - JRehling   QUOTE (Decepticon @ Nov 22 2006, 02:17 AM...   Nov 22 2006, 06:48 PM
- - Phil Stooke   Ingenious! But I think it might look like Gran...   Nov 22 2006, 09:11 PM
|- - ngunn   QUOTE (Phil Stooke @ Nov 22 2006, 09:11 P...   Nov 23 2006, 04:19 PM
- - volcanopele   for those with Photoshop, a map with different lay...   Nov 22 2006, 10:47 PM
- - scalbers   Greetings, I think it might be interesting to tr...   Nov 23 2006, 03:53 PM
- - antoniseb   The Ciclops page pointed to earlier was last updat...   Dec 14 2006, 12:22 PM
|- - ugordan   The official and updated Titan map was finished a ...   Dec 14 2006, 01:30 PM
- - Julius   Has someone got an explanation why Titans dark fl...   Dec 19 2006, 08:23 PM
|- - Olvegg   QUOTE (Julius @ Dec 19 2006, 11:23 PM) Ha...   Dec 19 2006, 09:09 PM
|- - JRehling   QUOTE (Julius @ Dec 19 2006, 12:23 PM) Ha...   Dec 19 2006, 11:16 PM
|- - dvandorn   QUOTE (JRehling @ Dec 19 2006, 06:16 PM) ...   Dec 20 2006, 06:14 AM
|- - Juramike   QUOTE (dvandorn @ Dec 20 2006, 01:14 AM) ...   Dec 21 2006, 03:24 PM
|- - JRehling   QUOTE (dvandorn @ Dec 19 2006, 10:14 PM) ...   Dec 21 2006, 04:12 PM
- - tuvas   It sounds like what you guys want is a JMARS for T...   Dec 19 2006, 08:26 PM
- - Matt   There was a time in Titan's earlier history wh...   Dec 19 2006, 10:13 PM
- - jsheff   Please, please, please, can we have an updated map...   Dec 28 2006, 07:24 PM
|- - volcanopele   QUOTE (jsheff @ Dec 28 2006, 12:24 PM) Pl...   Dec 28 2006, 07:56 PM
|- - tuvas   QUOTE (volcanopele @ Dec 28 2006, 12:56 P...   Dec 28 2006, 08:05 PM
|- - ugordan   QUOTE (tuvas @ Dec 28 2006, 09:05 PM) Are...   Dec 28 2006, 08:09 PM
|- - tuvas   QUOTE (ugordan @ Dec 28 2006, 01:09 PM) N...   Dec 28 2006, 08:15 PM
|- - ugordan   I'm perfectly aware you work near each other a...   Dec 28 2006, 08:23 PM
|- - AlexBlackwell   QUOTE (ugordan @ Dec 28 2006, 10:23 AM) I...   Dec 28 2006, 08:36 PM
||- - tuvas   QUOTE (AlexBlackwell @ Dec 28 2006, 01:36...   Dec 28 2006, 08:57 PM
||- - ugordan   Brilliant, Stu! Brilliant!   Dec 28 2006, 09:21 PM
|- - Bob Shaw   QUOTE (ugordan @ Dec 28 2006, 08:23 PM) I...   Dec 28 2006, 11:45 PM
- - Stu   RE: Updated Titan Map   Dec 28 2006, 08:53 PM
- - alan   QUOTE (volcanopele @ Dec 28 2006, 01:56 P...   Dec 28 2006, 10:41 PM
|- - ugordan   QUOTE (alan @ Dec 28 2006, 11:41 PM) End ...   Dec 28 2006, 10:47 PM
- - Decepticon   Wow cutie in the front!   Dec 29 2006, 12:15 AM
- - Decepticon   tuvas, from what you saw is the Titan map gonna bl...   Dec 29 2006, 12:18 AM
- - volcanopele   Happy now?   Dec 29 2006, 05:51 PM
|- - JRehling   Boy, Alex is underwhelmed. I'm glad to see it...   Dec 29 2006, 06:56 PM
- - AlexBlackwell   You've gotta be kidding. This is what all the...   Dec 29 2006, 05:55 PM
- - jsheff   I'm happy to have it, too. -John Sheff Camb...   Dec 29 2006, 07:33 PM
- - Stu   Ahhh, how soon we forget... A couple of years ...   Dec 29 2006, 07:40 PM
- - volcanopele   For those who want a combined ISS map and RADAR sw...   Dec 29 2006, 07:49 PM
- - Decepticon   QUOTE Happy now? Ummm yes and no! I expecte...   Dec 29 2006, 08:08 PM
|- - volcanopele   Well, I'm still work on smoothing techniques a...   Dec 29 2006, 08:14 PM
|- - ugordan   I for one am not underwhelmed by the update as I r...   Dec 29 2006, 08:43 PM
|- - volcanopele   The mosaics used in the Fensal-Aztlan region have ...   Dec 29 2006, 08:46 PM
|- - Bob Shaw   Well, I for one am far from underwhelmed. A coupl...   Dec 29 2006, 10:18 PM
|- - ustrax   QUOTE (Bob Shaw @ Dec 29 2006, 10:18 PM) ...   Dec 29 2006, 11:09 PM
- - Decepticon   LOL   Dec 30 2006, 12:38 AM
- - nprev   I for one would love to see a surface temp overlay...   Dec 30 2006, 01:36 AM
- - Decepticon   ^^Maybe next Holiday Season!   Dec 30 2006, 02:40 AM
|- - Olvegg   Well, there are some changes on Titan surface...   Dec 30 2006, 11:31 AM
- - nprev   Good eye, Olvegg. I'd have to bet on convectiv...   Dec 30 2006, 06:34 PM
- - volcanopele   Yeah, really bright spots at high latitudes are mo...   Dec 30 2006, 06:52 PM
- - JTN   I've always been surprised that there aren...   Dec 30 2006, 11:16 PM
|- - ugordan   Surprisingly, there aren't a whole lot of peop...   Dec 31 2006, 12:06 AM
||- - JRehling   QUOTE (ugordan @ Dec 30 2006, 04:06 PM) S...   Dec 31 2006, 03:49 AM
|- - Bjorn Jonsson   QUOTE (JTN @ Dec 30 2006, 11:16 PM) I...   Jan 3 2007, 11:17 PM
- - nprev   Just had an odd thought...Is Titan a cold "de...   Dec 31 2006, 02:31 AM
|- - Gsnorgathon   QUOTE (nprev @ Dec 31 2006, 02:31 AM) Jus...   Dec 31 2006, 07:45 AM
|- - Bob Shaw   QUOTE (nprev @ Dec 31 2006, 02:31 AM) Jus...   Dec 31 2006, 08:08 AM
|- - nprev   QUOTE (Bob Shaw @ Dec 31 2006, 12:08 AM) ...   Dec 31 2006, 08:40 PM
|- - JRehling   QUOTE (nprev @ Dec 31 2006, 12:40 PM) Wel...   Dec 31 2006, 10:17 PM
- - Decepticon   Is there any online reference as to how the titan ...   Dec 31 2006, 04:01 AM
|- - scalbers   QUOTE (Decepticon @ Dec 31 2006, 04:01 AM...   Dec 31 2006, 03:51 PM
|- - volcanopele   QUOTE (Decepticon @ Dec 30 2006, 09:01 PM...   Dec 31 2006, 07:28 PM
- - nprev   Yeah, JR--I used to live in Tucson, and that's...   Jan 1 2007, 03:09 AM
|- - Juramike   Does anyone out there have a hypothesis/explanatio...   Jan 2 2007, 08:35 PM
|- - Bob Shaw   QUOTE (Juramike @ Jan 2 2007, 08:35 PM) D...   Jan 2 2007, 10:54 PM
|- - JRehling   QUOTE (Bob Shaw @ Jan 2 2007, 02:54 PM) M...   Jan 3 2007, 03:29 PM
|- - Juramike   QUOTE (JRehling @ Jan 3 2007, 10:29 AM) M...   Jan 3 2007, 06:22 PM
- - Holder of the Two Leashes   Edit: Sorry, didn't realize the map had alread...   Jan 17 2007, 01:10 AM
- - scalbers   Greetings, Here's a real quick 1K Titan map t...   Jun 21 2007, 09:47 PM
|- - David   QUOTE (scalbers @ Jun 21 2007, 09:47 PM) ...   Jun 22 2007, 12:04 AM
|- - alan   QUOTE (David @ Jun 21 2007, 07:04 PM) Ver...   Jun 23 2007, 05:05 AM
- - stevesliva   That's nice! Although a mercator projecti...   Jun 22 2007, 04:53 AM
- - Juramike   Wow! Nice job! -Mike   Jun 22 2007, 03:00 PM
- - Juramike   QUOTE (David @ Jun 21 2007, 08:04 PM) 1) ...   Jun 22 2007, 03:15 PM
- - dvandorn   Interesting speculation, Mike. I see your point a...   Jun 22 2007, 04:13 PM
- - Juramike   That's a really good point, David. Without do...   Jun 22 2007, 06:53 PM
- - dvandorn   I'm glad I could confuse you even moreso than ...   Jun 22 2007, 06:57 PM
- - Juramike   Apologies! I meant "That's a really ...   Jun 22 2007, 07:20 PM
- - scalbers   Hi again, I've made a few more map updates an...   Jun 22 2007, 10:20 PM
- - belleraphon1   Beautiful work .... Agree that Titan seems to b...   Jun 23 2007, 04:32 PM
- - Phil Stooke   stevesliva said: "That's nice! Alth...   Jun 23 2007, 07:23 PM
- - ngunn   I can't wait for that polar version. I've ...   Jun 23 2007, 08:44 PM
- - Phil Stooke   southern hemisphere: Northern hemisphere: P...   Jun 23 2007, 09:15 PM
- - ngunn   Hallelujah!   Jun 23 2007, 09:16 PM
- - David   Beautiful, just beautiful. Now that we've see...   Jun 24 2007, 12:40 AM
- - alan   QUOTE (David @ Jun 23 2007, 07:40 PM) I w...   Jun 24 2007, 06:03 AM
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