Date: 2017-03-10 03:28 am (UTC)
dewline: (Default)
From: [personal profile] dewline
...huh...

Date: 2017-03-11 03:03 am (UTC)
emceeaich: A close-up of a pair of cats-eye glasses (Default)
From: [personal profile] emceeaich
I wonder how thick that curtain of ice around the "equator" is.

Date: 2017-03-10 03:41 am (UTC)
From: [identity profile] chrysostom476.livejournal.com
Pretty obviously a pierogi.

Date: 2017-03-10 04:44 am (UTC)
From: [identity profile] nathan helfinstine (from livejournal.com)
Damn, I came here to say that.

Date: 2017-03-10 12:37 pm (UTC)
From: [identity profile] neowolf2.livejournal.com
That's your pierogitive.

Date: 2017-03-10 04:09 am (UTC)
From: [identity profile] magedragonfire.livejournal.com
Almost more of a tortellini or gnocchi.

Date: 2017-03-10 01:22 pm (UTC)
From: [identity profile] galestorm.livejournal.com
Yeah, gnocchi made by someone with a fork with very thin tines!

Date: 2017-03-10 05:17 am (UTC)
From: [identity profile] asakiyume.livejournal.com
It looks like something created by 3D printing.

Date: 2017-03-10 09:33 pm (UTC)
ext_63737: Posing at Zeusaphone concert, 2008 (Default)
From: [identity profile] beamjockey.livejournal.com
Soon, I imagine, it will be.

Date: 2017-03-10 05:33 am (UTC)
From: [identity profile] bunsen-h.livejournal.com
"I wanna have rings just like my Daddy! Look, Daddy, I got rings!"

Date: 2017-03-10 05:35 am (UTC)
From: [identity profile] anton-p-nym.livejournal.com
Just a little mold flashing; a few minutes with an Xacto knife and a few passes with an emery board and it'll be all good.

-- Steve thinks he may still have some binary epoxy around here somewhere that might not have completely self-cured by now....

Date: 2017-03-10 09:02 am (UTC)
From: [identity profile] mcbadger.livejournal.com
Nah, it's a 1950s-style flying saucer. I think I'm going to go off and start a conspiracy theory about how aliens must have shown humans pictures of that moon to start the saucer legends.

Date: 2017-03-10 10:46 am (UTC)
From: [identity profile] pauldormer.livejournal.com
Looks like a coffee pot wrapped in paper to me.

Date: 2017-03-10 11:13 am (UTC)
From: [identity profile] ffutures.livejournal.com
It's sort of the shape of Peppermint Patty's head and hair without the actual face.

Date: 2017-03-10 11:39 am (UTC)
From: (Anonymous)
"All these worlds are yours except Pan, which we're saving for lunch. Atttempt no landings there."

-- Paul Clarke

Date: 2017-03-10 01:10 pm (UTC)
From: [identity profile] nelc.livejournal.com
How did I not know that Pan and Atlas are shaped like this?

Anyhoo:

Date: 2017-03-11 12:55 am (UTC)
From: (Anonymous)
The flour even looks like a dusting of background stars.

TSM_in_Toronto

Date: 2017-03-12 02:34 pm (UTC)
From: [identity profile] nelc.livejournal.com
Now I want some ravioli....

Date: 2017-03-10 02:01 pm (UTC)
From: [identity profile] dionysus1999.livejournal.com
Pan? How satyr-ical.

Date: 2017-03-10 06:33 pm (UTC)
From: [identity profile] ethelmay.livejournal.com
A pan-sticker rather than a pot-sticker?

Date: 2017-03-10 08:23 pm (UTC)
ext_63737: Posing at Zeusaphone concert, 2008 (rockin' zeusaphone)
From: [identity profile] beamjockey.livejournal.com
Now that we've learned what Pan looks like, it's time to throw away our Saturn orbiter and not send another one.

Date: 2017-03-10 08:24 pm (UTC)
ext_63737: Posing at Zeusaphone concert, 2008 (rockin' zeusaphone)
From: [identity profile] beamjockey.livejournal.com
While we're at it, let's also not send orbiters to Uranus and Neptune.

Date: 2017-03-11 12:41 am (UTC)
From: [identity profile] keithmm.livejournal.com
You don't want something to probe Uranus?

Date: 2017-03-11 03:38 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
To be fair, Cassini is getting these spectacular pictures now because it's near end-of-mission--this is higher-risk stuff they're doing because they're going to ditch it soon anyway (to keep from accidentally contaminating Titan or Enceladus after the maneuvering fuel runs out).

Date: 2017-03-11 05:01 pm (UTC)
ext_63737: Posing at Zeusaphone concert, 2008 (rockin' zeusaphone)
From: [identity profile] beamjockey.livejournal.com
Okay, that IS fair.

I remain disappointed that on the final day of the Tevatron's operation in 2011, after many years of safe, reliable running at 980 GeV, they did not push the throttle up to 1001 GeV.

Date: 2017-03-11 06:07 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
The ring pictures they're getting from the proximal orbits, showing all the density waves and "propellers" and harder-to-describe dynamical phenomena, are just stunning. They got a few great ones around orbital insertion at the very beginning of the mission, when Cassini was actually closer to the rings, but the pictures weren't as meticulously planned and weren't as high-quality.

The next phase is the orbits that go between the rings and the planet.

Date: 2017-03-11 05:48 am (UTC)
From: [identity profile] bruce munro (from livejournal.com)
Looks like something thrown together at the last minute.

"You've been slacking on your Moons, Bob-El."
"Hey, we've already done over sixty of the damn things. And who's going to notice this teeny thing all the way out here?"

Date: 2017-03-11 07:16 am (UTC)
From: [identity profile] w. dow rieder (from livejournal.com)
Yeah--I think it's the least convincing-looking celestial body I've ever seen.

Date: 2017-03-11 09:15 am (UTC)
From: [identity profile] eub.livejournal.com
What the heck is the theory about that flange(?) thing? Is it at least equatorial or something as a hint?

Date: 2017-03-11 02:04 pm (UTC)
From: [identity profile] nelc.livejournal.com
Accreted ring material. Pan and Atlas lie in gaps in the rings and I guess the stuff just piles up on their equators.

Date: 2017-03-11 03:34 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
Some of the little moons near the ring system look completely or partially covered with this soft dusty material, with almost no exposed rugged surface. With Pan it's piling up locally.

Date: 2017-03-11 04:03 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
Here is Methone, for instance:

http://saturn-archive.jpl.nasa.gov/photos/imagedetails/index.cfm?imageId=4662

Completely covered with the stuff, and it's settled into an equipotential shape, like a smooth egg. (I think the caption on the picture is misleading--the elongated shape isn't because Methone lacks sufficient gravity to be round, it's because the tidal forces from Saturn mean that is the local definition of "round".)
Edited Date: 2017-03-11 04:05 pm (UTC)

Date: 2017-03-11 05:05 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
Atlas has a saucer shape similar to Pan, but with even more of the stuff accreting around the equator:

https://en.wikipedia.org/wiki/Atlas_(moon)

Date: 2017-03-11 11:52 pm (UTC)
From: [identity profile] mmcirvin.livejournal.com
This page has some pictures showing it in the context of the Encke Gap:

https://saturn.jpl.nasa.gov/news/3005/cassini-reveals-strange-shape-of-saturns-moon-pan/

There's a ringlet of material in the middle of the gap, not visible in these pictures, which is presumably in horseshoe orbits resonant with Pan. Some of it is probably in the process of falling onto the moon to form part of that equatorial pile.

Date: 2017-03-11 03:18 pm (UTC)
From: [identity profile] asyouknow-bob.livejournal.com
"Who ordered THAT?"

Date: 2017-03-11 04:56 pm (UTC)
ext_63737: Posing at Zeusaphone concert, 2008 (rockin' zeusaphone)
From: [identity profile] beamjockey.livejournal.com
When snow begins to fall, I too frequently quote I. I. Rabi.

Profile

james_davis_nicoll: (Default)
james_davis_nicoll

September 2017

S M T W T F S
      1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 2627282930

Most Popular Tags

Style Credit

Expand Cut Tags

No cut tags
Page generated Sep. 26th, 2017 02:30 pm
Powered by Dreamwidth Studios