My Assistant
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What's Up With Hayabusa? (fka Muses-c) |
Nov 7 2005, 01:32 PM
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#451
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Member ![]() ![]() ![]() Group: Members Posts: 134 Joined: 17-October 05 Member No.: 531 |
The probe should be hovering on the point on the axis of rotation of ITOKAWA as close to the surface as possible. Then it would save the fuels and time by omitting unnecessary up-down movement to-from the "Home Position".
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Nov 7 2005, 01:49 PM
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#452
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3009 Joined: 30-October 04 Member No.: 105 |
This is fantastic.
One question. In Bruce's post earlier today, at the site http://www.isas.jaxa.jp/e/snews/2005/1102.shtml#pic001, in the image in Figure 6, Release 151101-4 I noticed something odd. On the left edge of Itokawa there appears to be a vertical shadow that looks like an accidental shadow from studio lighting on a model. In no way, shape or fashion am I thinking "conspiracy", but everytime I see this image I think "hmmm....". What am I actually seeing? --Bill -------------------- |
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Nov 7 2005, 02:53 PM
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#453
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Member ![]() ![]() ![]() Group: Members Posts: 903 Joined: 30-January 05 Member No.: 162 |
QUOTE (Bill Harris @ Nov 7 2005, 07:49 AM) This is fantastic. One question. In Bruce's post earlier today, at the site http://www.isas.jaxa.jp/e/snews/2005/1102.shtml#pic001, in the image in Figure 6, Release 151101-4 I noticed something odd. On the left edge of Itokawa there appears to be a vertical shadow that looks like an accidental shadow from studio lighting on a model. In no way, shape or fashion am I thinking "conspiracy", but everytime I see this image I think "hmmm....". What am I actually seeing? --Bill Also on figure 6, the 'balancing rock' on the righthand side of the image has (what looks like) a crater on it, facing downward. Is the balancing rock a peeled off piece of the surface with out dust and debris on it? |
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Nov 7 2005, 04:52 PM
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#454
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Member ![]() ![]() ![]() Group: Members Posts: 147 Joined: 30-June 05 From: Bristol, UK Member No.: 423 |
QUOTE (Bill Harris @ Nov 7 2005, 02:49 PM) This is fantastic. One question. In Bruce's post earlier today, at the site http://www.isas.jaxa.jp/e/snews/2005/1102.shtml#pic001, in the image in Figure 6, Release 151101-4 I noticed something odd. On the left edge of Itokawa there appears to be a vertical shadow that looks like an accidental shadow from studio lighting on a model. In no way, shape or fashion am I thinking "conspiracy", but everytime I see this image I think "hmmm....". What am I actually seeing? --Bill The sun is lighting Itokowa from below and to the right. You are seeing the limb shadow, and beyond that, the lit underside. Think of the peanut crossed with a banana, look at it end on and light it from a lamp near your hip. I personally like Fig 5 with all the large boulders stuck into the main body - looking like standing stones. Nick |
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Nov 7 2005, 05:42 PM
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#455
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Solar System Cartographer ![]() ![]() ![]() ![]() Group: Members Posts: 10255 Joined: 5-April 05 From: Canada Member No.: 227 |
No, sorry, that's not it. Bill is pointing out the oddly dark left-hand edge of the image. I noticed this as well. If I had a low contrast image and I wanted to reproduce this effect I would make a rectangular selection, feather the edges (using Photoshop terminology) and enhance the contrast of the selection... but with the edge of thec selection cutting through the limb of the object. So I don't know exactly what hapopened, but I'd guess somebody was enhancing the raw image for display, and selected a rectangle instead of the whole image, not noticing it was just on the limb. It might have been feathered to avoid a sharp black to dark grey line in the black 'sky' around the image. In short, a processing artifact. It's easy to fix on a saved copy.
Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Nov 7 2005, 06:11 PM
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#456
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (Phil Stooke @ Nov 7 2005, 05:42 PM) So I don't know exactly what hapopened, but I'd guess somebody was enhancing the raw image for display, and selected a rectangle instead of the whole image, I have found in the past that photoshop artifacts as you have described above are an easy giveaway to retouched images. One way of discovering them is cranking up the brightness and contrast and alternating back and forth, looking for the perimeter of such selection areas. I don't want to clog up Doug's bandwith, with 7 or 8 stages of of adjusted images. However in this case I just don't see it. The more I look at this, I could have a lot of fun inserting the statues from Easter Island, but I think it would get me banned from here. -------------------- If Occam had heard my theory, things would be very different now.
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Nov 7 2005, 06:47 PM
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#457
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Good one, Dan... though it would be easier (and perhaps a bit more subtle) to simply "plant" a perfect obelisk somewhere amongst the protruding rock slabs...
-the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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Nov 7 2005, 07:30 PM
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#458
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
QUOTE (dvandorn @ Nov 7 2005, 06:47 PM) Good one, Dan... though it would be easier (and perhaps a bit more subtle) to simply "plant" a perfect obelisk somewhere amongst the protruding rock slabs... -the other Doug You really shouldn't use the words obelisk, extraterrestrial, spacewarp, or parallel universe on a domain that contains the word "spaceflight". Such terminology tends to lure the loons here from the search engines. -------------------- If Occam had heard my theory, things would be very different now.
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Nov 7 2005, 08:04 PM
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#459
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Member ![]() ![]() ![]() Group: Members Posts: 350 Joined: 20-June 04 From: Portland, Oregon, U.S.A. Member No.: 86 |
Surely with that post you are being ironic, ElkGroveDan.
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Nov 7 2005, 10:21 PM
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#460
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Founder ![]() ![]() ![]() ![]() Group: Chairman Posts: 14445 Joined: 8-February 04 Member No.: 1 |
Some posts deleted - and one official warning issued.
Behave |
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Nov 8 2005, 12:46 AM
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#461
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3009 Joined: 30-October 04 Member No.: 105 |
Thanks, Phil, that shadow must be a processing artifact. Now I can shrug it off.
Oops, I apologize: I didn't mean to get "them" stirred up by mentioning the "c" word. BTW, in that JAXA news blip, there are globes that show the global slope and gravity, and this takes care of my curiosity about "where is down". Seems that this is indeed an MCEscher world... --Bill -------------------- |
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Nov 8 2005, 04:33 PM
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#462
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2488 Joined: 17-April 05 From: Glasgow, Scotland, UK Member No.: 239 |
QUOTE (ElkGroveDan @ Nov 7 2005, 08:30 PM) You really shouldn't use the words o*elisk, extra*errestrial, space*arp, or pa*allel u*iverse on a domain that contains the word "spaceflight". Such terminology tends to lure the loons here from the search engines. Er... ...I think you maybe, just, er... Bob Shaw -------------------- Remember: Time Flies like the wind - but Fruit Flies like bananas!
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Nov 9 2005, 07:55 AM
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#463
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1870 Joined: 20-February 05 Member No.: 174 |
everybody chant now: "Hoaxland! Hoaxland! Hoaxland!"
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Nov 9 2005, 10:00 AM
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#464
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![]() Member ![]() ![]() ![]() Group: Members Posts: 648 Joined: 9-May 05 From: Subotica Member No.: 384 |
-------------------- The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.
Jules H. Poincare My "Astrophotos" gallery on flickr... |
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| Guest_BruceMoomaw_* |
Nov 9 2005, 10:39 AM
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#465
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Guests |
Alas, my Babelfish translation indicates that this new "update" is just a message urging people to hurry up and send in their submissions for the contest to decide JAXA's unofficial name for the first Hayabusa landing site -- as described in http://www.hayabusa.isas.jaxa.jp/e/index_31.html . No news at all on actual developments.
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