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Titan Review article
rlorenz
post Dec 14 2007, 05:02 PM
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This just out. Not earth-shattering, but colorful - maybe handy as an up-to-date
Titan intro

http://www.jhuapl.edu/techdigest/td2702/lorenz.pdf
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scalbers
post Dec 17 2007, 07:30 PM
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Or could we suggest elements of the Vega Venus missions that included a balloon?

http://en.wikipedia.org/wiki/Vega_program


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vjkane
post Dec 17 2007, 07:46 PM
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QUOTE (scalbers @ Dec 17 2007, 07:30 PM) *
Or could we suggest elements of the Vega Venus missions that included a balloon?


My understanding is that the challenge at Titan is communications. If you build a single large balloon or lander, you can put the antenna, transmitter, and power system to communicate directly with Earth. If you do lots of landers, balloons, or combinations, then you need a relay orbiter. The second craft by itself appears, from my readings of the cost estimates, to cost ~$2B, probably less if you strip all the instruments off.

I could envision a mission that had several landers and the flyby carrier could act as the relay. Such missions have been proposed for Venus where the lander life is short. I don't know if such a mission would be considered worth while by the scientific community at Titan. Having seen how much more is learned from a lander when scientists have time to plan samples, etc, they may feel that a single longer lived lander would contribute more than a number of short lived landers.

I like your list of proposed landing sites.


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Posts in this topic
- rlorenz   Titan Review article   Dec 14 2007, 05:02 PM
- - ugordan   QUOTE "Figure 1. A false-color composite of C...   Dec 14 2007, 05:13 PM
- - volcanopele   Well, I guess the secret is out. The ISS camera i...   Dec 14 2007, 05:42 PM
- - djellison   I assume the D is for Danger? Doug   Dec 14 2007, 06:02 PM
- - remcook   Yeah that Space Station also makes its appearance ...   Dec 14 2007, 06:07 PM
- - rlorenz   Hmm. So nice of you all to speak in such glowing t...   Dec 16 2007, 03:57 PM
|- - ngunn   Great article, thanks for sharing it here. In advo...   Dec 17 2007, 10:06 AM
|- - rlorenz   QUOTE (ngunn @ Dec 17 2007, 05:06 AM) Gre...   Dec 17 2007, 01:43 PM
|- - ngunn   QUOTE (rlorenz @ Dec 17 2007, 01:43 PM) ...   Dec 17 2007, 03:19 PM
|- - dburt   QUOTE (ngunn @ Dec 17 2007, 08:19 AM) How...   Dec 17 2007, 08:04 PM
- - djellison   Hand on heart - I've been keeping it ready for...   Dec 16 2007, 04:29 PM
- - Mongo   You know that we're just teasing. I personall...   Dec 16 2007, 04:30 PM
- - Floyd   Ralph, I really enjoyed the article--keep up the e...   Dec 16 2007, 05:21 PM
- - nprev   Great article, Ralph; certainly a call to arms for...   Dec 16 2007, 06:45 PM
- - Rob Pinnegar   Nice article. I picked up a few things from it tha...   Dec 16 2007, 06:54 PM
- - Webscientist   I bought in 2004 "Lifting Titan's Veil...   Dec 16 2007, 08:12 PM
|- - rlorenz   QUOTE (Webscientist @ Dec 16 2007, 03:12 ...   Dec 17 2007, 01:37 PM
|- - vjkane   QUOTE (rlorenz @ Dec 17 2007, 01:37 PM) P...   Dec 17 2007, 04:53 PM
||- - Mongo   QUOTE (vjkane @ Dec 17 2007, 04:53 PM) In...   Dec 17 2007, 06:46 PM
|||- - rlorenz   (we identified the same 5 terrain types as possibl...   Dec 18 2007, 12:22 AM
|||- - Mongo   QUOTE (rlorenz @ Dec 18 2007, 12:22 AM) (...   Dec 18 2007, 12:58 AM
|||- - rlorenz   QUOTE (Mongo @ Dec 17 2007, 07:58 PM) ......   Dec 18 2007, 01:59 PM
||||- - dvandorn   QUOTE (rlorenz @ Dec 18 2007, 07:59 AM) Y...   Dec 18 2007, 06:31 PM
|||||- - rlorenz   QUOTE (dvandorn @ Dec 18 2007, 01:31 PM) ...   Dec 18 2007, 08:16 PM
|||||- - dvandorn   QUOTE (rlorenz @ Dec 18 2007, 02:16 PM) A...   Dec 18 2007, 08:42 PM
||||- - NMRguy   QUOTE (rlorenz @ Dec 18 2007, 02:59 PM) O...   Dec 19 2007, 01:14 PM
||||- - rlorenz   QUOTE (NMRguy @ Dec 19 2007, 08:14 AM) So...   Dec 19 2007, 02:35 PM
||||- - ngunn   QUOTE (rlorenz @ Dec 19 2007, 02:35 PM) A...   Dec 19 2007, 02:57 PM
||||- - JRehling   A purely equatorial orbit would preclude RADAR obe...   Dec 19 2007, 10:24 PM
|||- - vjkane   QUOTE (Mongo @ Dec 18 2007, 12:58 AM) The...   Dec 18 2007, 05:05 PM
|||- - Mongo   QUOTE (vjkane @ Dec 18 2007, 05:05 PM) So...   Dec 18 2007, 05:55 PM
||||- - vjkane   QUOTE (Mongo @ Dec 18 2007, 05:55 PM) So ...   Dec 18 2007, 07:42 PM
||||- - rlorenz   QUOTE (Mongo @ Dec 18 2007, 12:55 PM) So ...   Dec 18 2007, 08:13 PM
||||- - Mongo   QUOTE (rlorenz @ Dec 18 2007, 08:13 PM) Y...   Dec 18 2007, 08:59 PM
||||- - ngunn   QUOTE (rlorenz @ Dec 18 2007, 08:13 PM) Y...   Dec 18 2007, 10:24 PM
||||- - vjkane   QUOTE (rlorenz @ Dec 18 2007, 08:13 PM) Y...   Dec 18 2007, 11:58 PM
|||- - tty   QUOTE (vjkane @ Dec 18 2007, 06:05 PM) Le...   Dec 18 2007, 10:09 PM
||- - rlorenz   QUOTE (vjkane @ Dec 17 2007, 11:53 AM) In...   Dec 18 2007, 12:33 AM
|- - Juramike   QUOTE (rlorenz @ Dec 17 2007, 08:37 AM) W...   Dec 17 2007, 08:34 PM
|- - rlorenz   QUOTE (Juramike @ Dec 17 2007, 03:34 PM) ...   Dec 18 2007, 12:24 AM
|- - Juramike   QUOTE (rlorenz @ Dec 17 2007, 07:24 PM) ....   Dec 18 2007, 04:26 AM
- - JRehling   Great synopsis. The points regarding the diversity...   Dec 16 2007, 11:08 PM
- - Stu   Great intro to the wonders and mysteries of Titan,...   Dec 16 2007, 11:55 PM
- - scalbers   Or could we suggest elements of the Vega Venus mis...   Dec 17 2007, 07:30 PM
|- - vjkane   QUOTE (scalbers @ Dec 17 2007, 07:30 PM) ...   Dec 17 2007, 07:46 PM
- - nprev   ...Mike, you just freakin' amaze me sometimes....   Dec 17 2007, 08:58 PM
- - djellison   And bonus points if it involves anything on Youtub...   Dec 18 2007, 12:29 AM
- - ngunn   Fascinating, Mike. But you've got me wondering...   Dec 18 2007, 11:40 AM
- - NMRguy   QUOTE (rlorenz @ Dec 19 2007, 03:35 PM) W...   Dec 19 2007, 03:14 PM
- - ngunn   Spot on, as usual. But why is it that I find Titan...   Dec 19 2007, 10:38 PM
|- - vjkane   QUOTE (ngunn @ Dec 19 2007, 10:38 PM) Spo...   Dec 20 2007, 01:17 AM
|- - ugordan   QUOTE (vjkane @ Dec 20 2007, 02:17 AM) My...   Dec 20 2007, 08:34 AM
- - djellison   It's simple. The Enceladus plumes are indeed, ...   Dec 20 2007, 08:52 AM
- - belleraphon1   Nature is rarely simple. Too soon to declare Ence...   Dec 20 2007, 12:50 PM
- - Matt   Worldlets.....well put, I like it; I only wish I...   Dec 27 2007, 10:12 PM
|- - nprev   QUOTE (Matt @ Dec 27 2007, 02:12 PM) I kn...   Dec 27 2007, 10:41 PM
|- - belleraphon1   QUOTE (nprev @ Dec 27 2007, 05:41 PM) Tit...   Dec 28 2007, 02:40 PM
|- - vjkane   QUOTE (belleraphon1 @ Dec 28 2007, 02:40 ...   Dec 28 2007, 06:43 PM
|- - lyford   QUOTE (vjkane @ Dec 28 2007, 10:43 AM) I ...   Dec 28 2007, 08:39 PM
- - nprev   Well, I was less than clear (again) in what I mean...   Dec 28 2007, 03:31 PM
|- - ugordan   QUOTE (nprev @ Dec 28 2007, 04:31 PM) ......   Dec 28 2007, 04:12 PM
||- - belleraphon1   QUOTE (ugordan @ Dec 28 2007, 11:12 AM) W...   Dec 28 2007, 09:00 PM
|- - JRehling   I think the key question, which may come down more...   Dec 28 2007, 08:40 PM
|- - vjkane   John, as usual, nails the subject, at least as I s...   Dec 28 2007, 09:34 PM
- - nprev   The strategy I envision is sort of a "one-not...   Dec 28 2007, 05:28 PM
- - vjkane   QUOTE (nprev @ Dec 28 2007, 05:28 PM) The...   Dec 28 2007, 06:37 PM
- - nprev   QUOTE (vjkane @ Dec 28 2007, 10:37 AM) I ...   Dec 28 2007, 08:33 PM


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