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The Planetary Society Weblog
Chat Log
12:00 ZeroOne : For the record, fairly fresh weblog article on Steins is: http://www.planetary.org/blog/article/00001637/
12:01 ZeroOne : That's: Rosetta Unearths a "Jewel of the Solar System" Sept.
9
12:01 KStu : thanks for that Zero
12:05 ZeroOne : Heard a click. Video! Audio!
12:06 KStu : great sound... good picture... :-)
12:06 David-0316 : :)
12:07 AdrianusV : dustdevil season on Mars?
12:07 Timothy_Reed : QUESTION: Well, observation, actually. Phoenix photo of
blurred solar panel. Blurring at edges of panel is significantly greater than
near the support point, which is consistent with a flapping cantilever.
12:08 KStu : funny how those dust devils only appeared when they started to fire
up the LHC... ;-) (JOKE!)
12:08 Manu75 : QUESTION: why has Phoenix used the conductivity probe only 4 times
so far?
12:08 AdrianusV : :)
12:08 Funkopolis : They're not dust-devils, they're mini black holes!<g>
12:08 Timothy_Reed : QUESTION: How often is the Phoenix LIDAR used? Daily? Weekly?
Once in a while? I've only ever seen two pieces of data from it.
12:09 Funkopolis : Yipes, I hope that's u-stream eating quality, or that poor
student is in for quite a job...
12:10 mtgordon : Yeah, we're seeing some compression artifacts.
12:10 AdrianusV : QUESTION: why did the narrow-angle camera went into safe mode?
12:10 ZeroOne : Sol 105 Phoenix images just began arriving
12:10 AdrianusV : Rosetta's narrow angle camera
12:11 KStu : thanks AdV, got that
12:13 MirCat : Steins against stars. Say that 5 times fast
12:13 Funkopolis : Steins wanes on the orbital planes
12:14 AdrianusV : I hear an echo sometimes
12:14 MirCat : Paging Henry Higgins
12:15 ZeroOne : AdrianusV check for multiple streams, like from weblog article
and Ustream page.
12:16 AdrianusV : No, I only use one channel
12:16 ZeroOne : No echo here, for what it's worth
12:16 KStu : I heard a brief echo too... just a couple of secs... gone now
12:16 AdrianusV : it's better now
12:16 ustreamer-25439 : i dont understand what she is talking about :/
12:17 KStu : a European spaceprobe flew past an asteroid last weekend
12:17 KStu : took amazing pics
12:17 MirCat : QUESTION: What's an E-Type Asteroid. (In case she forgets to comment
on that :) )
12:17 ustreamer-25439 : cool
12:17 ZeroOne : e-type stuff from a larger bidy
12:17 ZeroOne : body
12:18 KStu : keep watching, you'll see the pics 25439 :-)
12:18 ustreamer-25439 : :)
12:18 MirCat : Did you just call that asteriod a bidy?
12:18 ZeroOne : large bidy
12:18 ustreamer-25439 : good photos
12:19 ZeroOne : Wikipedia: E-type http://en.wikipedia.org/wiki/E-type_asteroid
12:19 ustreamer-20148 : ET？
12:22 Manu75 : QUESTION: how is Steins rotation axis oriented on those pictures?
12:23 AdrianusV : QUESTION: there's a chain of craters on Steins. How did that
originated?
12:23 ustreamer-61446 : haaaaaaaaaaaaaaaaay
12:24 AdrianusV : hi 61446
12:24 ustreamer-28294 : QUESTION: Do other Rosetta instruments sampled science
data from Steins?.. and what kind of data?
12:24 AdrianusV : Steins face :)
12:25 MirCat : hmm I wonder if that isn't some kind of rainbow effect kinda like
a lensflare
12:25 KStu : Hmmm... Hyperion...ish...
12:25 nick601 : a face on an asteroid - nobody tell Richard Hoagland
12:25 AdrianusV : :)
12:25 David-0316 : Hyperion's a lot larger
12:25 KStu : I meant visually :-)
12:25 jjperla : Or Epimethean...
12:26 AdrianusV : hyperion does have a chaotic orbit
12:26 Funkopolis : nick - no worries, as that would involve _talking_ to Richard
Hoagland... <shudder>
12:26 nick601 : hehe
12:26 David-0316 : Rotation, not orbit
12:26 AdrianusV : eh, yeah
12:26 AdrianusV : it wobbles, doesn't it?
12:27 KStu : great composite Emily, really useful comparison pic :-)
12:27 nick601 : yes, it is
12:27 David-0316 : Waltzing Mathilde!
12:27 Funkopolis : That comp would make a good poster...
12:27 Funkopolis : Get some high-quality, big copies in schools or something.
12:28 David-0316 : I think you could walk over Itokawa and see everything there
was to see in about half an hour
12:28 MirCat : I'd like that on my wall
12:28 ustreamer-9531 : The stream keeps falling out for me when Em goes to Photoshop.
Anyone else have that problem?
12:28 AdrianusV : full couloured
12:28 MirCat : the poster that is, not Itokawa
12:28 David-0316 : I get very brief sound interruptions
12:28 Funkopolis : 9531 - it lags up a bit for me, but recovers
12:28 nick601 : yeah, it drops for me when she's using Photoshop
12:28 KStu : yes, it does drop out, but stick with it... just one of those UStream
things
12:29 ustreamer-9531 : yeah - it recovers, but it sounds like I'm missing bits
of the commentary
12:29 ustreamer-9531 : thanks
12:29 Funkopolis : 9531 - they're recorded, so if you miss anything, you can
catch up
12:30 MirCat : QUESTION: What is the combined mass of Solar System Asteriods.
As compared to a planetary body.
12:30 KStu : "General shape of Steins"... try saying THAT 5 times...!
;-)
12:30 * MirCat just tripped over his sh's
12:31 nick601 : QUESTION: Looking at the recent images from Victoria Crater,
how long are the Rovers' tracks expected to persist on the surface of Mars?
12:32 MirCat : That sounds rather Titanic
12:33 * MirCat think the Steinsians did it with a reverse tachyon pulse
12:34 MirCat : Qwaper Belt?
12:34 nick601 : Kuiper Belt you mean?
12:34 MirCat : sure why not
12:35 nick601 : :)
12:35 Funkopolis : The probe to the Q-Bert Belt could only move diagonally
12:35 MirCat : shhh, I'm trying to be serious!
12:35 MirCat : :P
12:36 AdrianusV : QUESTION: did the other scientific instruments on Rosetta have
results, besides the images?
12:36 nick601 : it's a zone of small, icy bodies about 40 AU out
12:36 MirCat : thanks
12:36 KStu : getting a backlog of q's now guys, so everyone be patient, ok? Thanks
:-)
12:36 MirCat : kinda like a smaller asteriodish belt?
12:36 David-0316 : Enstatite: MgSiO3, aka Magnesium silicate
12:37 nick601 : mircat yeah :)
12:37 Funkopolis : Ah, thx David, I thought she'd said "Instatite".
Sounded like a commercial concrete sealant
12:37 MirCat : this is why I love this cast. getting a lot of info I've never
heard of
12:37 David-0316 : lol
12:38 Manu75 : Thanks! :)
12:39 MirCat : QUESTION: Were can you see/read these press conferences?
12:39 KStu : which press conferences?
12:40 MirCat : like the ones she just talked about
12:40 MirCat : I forgot who she said "They" were
12:40 David-0316 : VIRTIS: Visible and Infrared Thermal Imaging Spectrometer
12:40 KStu : check Emily's blog, she always links to them
12:40 David-0316 : There is also a VIRTIS on Venus Express
12:40 MirCat : kewl, thanks
12:40 Timothy_Reed : That's the first time I've heard a spectrograph referred
to as a wiggly-line-o-meter!
12:40 KStu : golden rule: ALWAYS check Emily's blog... daily...
12:41 Funkopolis : Does Emily's blog have RSS?
12:41 AdrianusV : yep
12:41 MirCat : yeah, busted by teacher for not doing my homework :P
12:41 Funkopolis : Yeah, teachers will clamp down hard on learning...
12:42 David-0316 : I think Ceres has only about 1/3 of the total mass
12:42 David-0316 : Will check
12:42 KStu : pay attention class! :-)
12:42 David-0316 : Yep, one third
12:43 KStu : thanks David
12:43 Funkopolis : That, and isn't every crater really an asteroid that isn't
there anymore?
12:43 KStu : right... need more questions! :-)
12:44 Funkopolis : QUESTION: How similar is martian soil to lunar regolith?
12:44 David-0316 : Total asteroid mass: 3 x 10^21 kg
12:44 David-0316 : Ceres mass: 9.4 x 10^20 kg
12:44 MirCat : LOL
12:44 MirCat : btw, thanks David
12:44 Manu75 : QUESTION: Did Phoenix look at more dust with the atomic force
microscope?
12:45 David-0316 : That's a ratio of 3.2 (asteroid belt) to 1 (Ceres)
12:45 jjperla : QUESTION: ring arcs at Anthe, Methone and Pallene - are these
thought to be similar to Neptune's ring arcs?
12:45 KStu : excellent point, Funkopolis! :-))
12:45 Funkopolis : Cheers, Stu
12:46 David-0316 : With a higher estimate of asteroid belt mass, the ratio could
be up around 3.8/1
12:48 Manu75 : Thanks again! :-)))
12:49 MirCat : wow, you'd think that needle would be very breakable. I'm having
record player flashbacks
12:49 David-0316 : QUESTION: Will Dawn perform any science when it passes Mars
early next year?
12:49 Manu75 : and again! (^= ^)
12:51 David-0316 : TEGA: Thermal and Evolved Gas Analyzer
12:51 * MirCat zips his lips
12:51 Funkopolis : QUESTION: Has there been anything more released from the Enceladus
flyby? Or should we all just stop asking and be patient.
12:52 KStu : last call for questions, I think...
12:54 MirCat : QUESTION: Star Wars or Star Trek?
12:54 KStu : (slap) ;-)
12:54 MirCat : :P
12:56 David-0316 : I think it's pal-LEE-nee
12:56 Funkopolis : QUESTION: Is a ring arc like a comet's tail? Except in orbit
around a planet?
12:56 MirCat : Question: Any plans on doing deeper drilling on Mars? I mean like
several meters down
12:56 Manu75 : See today's Apod
12:56 Funkopolis : Wait, silly question, ring arcs are moons pulling ring matieral.
not shedding matieal of their own.
12:57 Manu75 : http://antwrp.gsfc.nasa.gov/apod/ap080910.html
12:57 MirCat : :)
12:57 David-0316 : Congratulations Emily!
12:57 KStu : se? I asked for you! :-)
12:57 Funkopolis : Yeah, but the Force! C'mon! The force!
12:57 MirCat : thanks KStu
12:58 Funkopolis : Transporters are shiny, but I wanna grab stuff from across
the room...
12:58 ustreamer-92034 : several meters down on Mars will not happen with Phx
12:58 KStu : Thanks Emily, great show :-)
12:58 Manu75 : Thanks, great stuff!
12:58 ustreamer-82910 : no - arc material is coming from the moons embedded within
them
12:58 AdrianusV : Thanx!
12:58 David-0316 : Good pronunciation of "Steins"!
12:58 Funkopolis : Thanks Emily! And thanks Stu
12:58 nick601 : thanks all, good chat
12:58 MirCat : Thanks Emily, I love this chat/cast
12:58 KStu : Thanks everyone for some EXCELLENT questions tonight! :-)
12:58 dougwestherts : another very interesting show, thanks Emily.
12:59 Funkopolis : Don't forget to turn the mic off, Emily
12:59 David-0316 : :)
12:59 David-0316 : We might have heard something interesting!
12:59 MirCat : Next week I'll have a more serious question, like SG-1 or Atlantis
12:59 elakdawalla : Righto
12:59 Funkopolis : David - That's what I'm afraid of
01:00 elakdawalla : Thanks all, good questions
01:00 David-0316 : Thank you for the presentation!
01:00 Funkopolis : Great job again Emily. And if you missed it in the chat -
you should be selling poster-sized versions of your asteroid-comparison composition
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