Tiny Craters |
Tiny Craters |
| Guest_Sunspot_* |
 Apr 28 2005, 01:42 AM
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http://marsrovers.jpl.nasa.gov/spotlight/o...y/20050427.html
Opportunity Discovers Tiny Craters on Mars |
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Sunspot Tiny Craters Apr 28 2005, 01:42 AM
chris Looks to me like there are a few more around as we... Apr 29 2005, 11:45 AM
Marcel QUOTE (chris @ Apr 29 2005, 11:45 AM)Looks to... Apr 29 2005, 12:26 PM dvandorn QUOTE (Marcel @ Apr 29 2005, 07:26 AM)I'm... Apr 29 2005, 04:59 PM John M. Dollan I know that there is no chance in heck for this to... May 4 2005, 01:23 AM Edward Schmitz QUOTE (John M. Dollan @ May 3 2005, 06:23 PM)... May 4 2005, 05:02 AM djellison Not sure - is an electrical discharge even possibl... May 4 2005, 08:04 AM Marcel QUOTE (djellison @ May 4 2005, 08:04 AM)Not s... May 4 2005, 08:22 AM Marcel QUOTE (djellison @ May 4 2005, 08:04 AM)Not s... May 4 2005, 08:24 AM Bill Harris QUOTE Not sure - is an electrical discharge even p... May 4 2005, 09:52 AM edstrick Electrical discharges *are* possible in the martia... May 4 2005, 09:54 AM Bob Shaw I suspect that the situation during global dust st... May 4 2005, 01:54 PM John M. Dollan I know that dry sand and dust can produce electric... May 5 2005, 06:50 AM Bill Harris QUOTE Mars atmosphere is fairly near the pressures... May 5 2005, 08:38 AM tty Have a look at this:
http://www.cosis.net/abstrac... May 9 2005, 07:15 AM Bob Shaw Now there you are, marooned on the top of a dune i... May 9 2005, 10:15 AM Jeff7 QUOTE (Bob Shaw @ May 9 2005, 06:15 AM)Now th... May 9 2005, 10:50 AM Edward Schmitz QUOTE (tty @ May 9 2005, 12:15 AM)Have a look... May 10 2005, 02:56 AM Richard Trigaux Interesting discution about those strange little p... May 26 2005, 07:40 PM John M. Dollan QUOTE (Richard Trigaux @ May 26 2005, 12:40 P... May 27 2005, 04:30 AM Richard Trigaux Thanks John for your precisions. As I expected, yo... May 27 2005, 07:47 AM Marcel QUOTE (Richard Trigaux @ May 27 2005, 07:47 A... May 27 2005, 09:29 AM dvandorn QUOTE (Marcel @ May 27 2005, 04:29 AM)Wowowow... May 27 2005, 01:30 PM John M. Dollan Do we have any idea about the movement rate of mat... May 27 2005, 04:46 PM Bob Shaw I think that karst landforms were already suggeste... May 27 2005, 05:42 PM Richard Trigaux QUOTE sorta crop circles (assuming that any are ge... May 27 2005, 06:29 PM dvandorn QUOTE (John M. Dollan @ May 27 2005, 11:46 AM... May 27 2005, 06:58 PM Bob Shaw I don't suppose it wos the Mysterons whot done... May 27 2005, 07:32 PM Jeff7 QUOTE I'm really not convinced that these are ... May 27 2005, 07:35 PM Edward Schmitz There is a rim on this hole. It's not big but... May 27 2005, 09:28 PM helvick QUOTE (Edward Schmitz @ May 27 2005, 10:28 PM... May 28 2005, 02:29 PM Bob Shaw Perhaps the 'Lion Ant' notion isn't so... May 28 2005, 03:12 PM CosmicRocker There is a crater diameter calculator here that mi... May 28 2005, 06:22 AM helvick QUOTE (CosmicRocker @ May 28 2005, 07:22 AM)T... May 28 2005, 03:17 PM Bob Shaw If the tiny craters are impact-related, where is t... May 28 2005, 05:37 PM dvandorn The one big problem I have with all the nice math ... May 28 2005, 06:10 PM helvick Doug,
I agree - the simple calculations do not ch... May 28 2005, 07:13 PM Richard Trigaux Helvick and all,
there is an instance of a 20km c... May 28 2005, 07:52 PM dvandorn QUOTE (helvick @ May 28 2005, 02:13 PM)I... May 28 2005, 09:47 PM Edward Schmitz QUOTE (dvandorn @ May 28 2005, 11:10 AM)...
... May 28 2005, 09:22 PM Edward Schmitz On the heat sheild impact kicking something up...
... May 29 2005, 03:36 AM Bill Harris I remember the "mysterious dark spot" to... May 29 2005, 09:02 AM Jeff7 QUOTE (Bill Harris @ May 29 2005, 05:02 AM)I ... May 29 2005, 07:49 PM Bob Shaw Attached are a series of images of impact craters ... May 29 2005, 08:06 PM Bob Shaw And some more - bigger versions are available, if ... May 29 2005, 08:08 PM helvick QUOTE (Bob Shaw @ May 29 2005, 09:06 PM)Which... May 30 2005, 04:13 PM edstrick I have a suspicion that some of those dark spots a... May 29 2005, 10:26 AM helvick QUOTE (edstrick @ May 29 2005, 11:26 AM)I hav... May 30 2005, 04:36 PM Richard Trigaux Hi helvick,
I somewhat agre with the general conc... May 30 2005, 07:58 PM helvick QUOTE (Richard Trigaux @ May 30 2005, 08:58 P... May 30 2005, 09:27 PM alan Another example of a meteor exploding and raining ... May 30 2005, 10:41 PM helvick QUOTE (alan @ May 30 2005, 11:41 PM)Another e... May 31 2005, 07:13 AM Bob Shaw OK, let's say that they're the result of a... May 31 2005, 11:15 AM Edward Schmitz QUOTE (Bob Shaw @ May 31 2005, 04:15 AM)OK, l... Jun 2 2005, 01:56 AM Edward Schmitz Yes, if you look at the collection of meteor bits ... May 31 2005, 03:55 AM CosmicRocker I think, if the sediment is falling into some void... Jun 2 2005, 05:17 AM Bob Shaw CosmicRocker's observations lead me, once more... Jun 2 2005, 07:15 PM garybeau The tiny craters are not that far away. I say afte... Jun 2 2005, 08:13 PM edstrick The "fractures" that Opportunity visited... Jun 2 2005, 06:36 AM Edward Schmitz Mob rule! We'll storm the control center ... Jun 3 2005, 06:32 AM Tman On the Deep Impact website there is an amazing vid... Jun 13 2005, 07:22 PM Richard Trigaux Sol 503 navcam released a round panoramic view of ... Jun 25 2005, 07:02 AM edstrick Obviously, the tiny craters are formed by martian ... Jun 25 2005, 08:13 AM ilbasso Perhaps these are the Martian equivalent of the Sa... Jun 25 2005, 01:54 PM edstrick <TOOTHY GRIN> mm.... Snack sized Jabba worm... Jun 25 2005, 08:20 PM Myran I went to check on that www.enterprisemission.com... Jun 30 2005, 03:28 PM dvandorn Here is an image returned by Opportunity on July 2... Jul 24 2005, 10:27 AM RNeuhaus QUOTE (dvandorn @ Jul 24 2005, 05:27 AM)Here ... Jul 24 2005, 11:13 PM odave Looks like Oppy's found another micro crater:
... Oct 18 2005, 04:25 PM helvick QUOTE (odave @ Oct 18 2005, 05:25 PM)Looks li... Oct 18 2005, 04:38 PM glennwsmith Tman, thanks for reference to Deep Impact craterin... Jul 24 2005, 06:00 PM Bill Harris I noticed that one, too. There have also been two... Oct 18 2005, 06:09 PM atomoid since its so small, the impactor is probably burie... Oct 18 2005, 09:56 PM Bob Shaw The new micro-crater is certainly much more like a... Oct 18 2005, 10:39 PM djellison I cant imagine enough convection on mars to keep a... Oct 18 2005, 10:56 PM sranderson What is the terminal velocity on mars of a quarter... Oct 19 2005, 05:52 AM helvick QUOTE (sranderson @ Oct 19 2005, 06:52 AM)Wha... Oct 19 2005, 08:16 AM Marcel QUOTE (sranderson @ Oct 19 2005, 05:52 AM)Wha... Oct 19 2005, 09:49 AM CosmicRocker These damn things are really curious. When we fir... Oct 19 2005, 04:16 AM dvandorn It's just hard to imagine subsurface sapping t... Oct 19 2005, 05:47 AM Edward Schmitz QUOTE (dvandorn @ Oct 18 2005, 10:47 PM)I... Oct 19 2005, 11:13 PM MichaelT There is one thing that makes it highly unlikely, ... Oct 19 2005, 08:52 AM helvick QUOTE (MichaelT @ Oct 19 2005, 09:52 AM)And t... Oct 19 2005, 09:54 AM MichaelT QUOTE (helvick @ Oct 19 2005, 09:54 AM)Good p... Oct 19 2005, 11:50 AM Bill Harris I realize that you've probably looked at this ... Oct 19 2005, 01:00 PM atomoid QUOTE (Bill Harris @ Oct 19 2005, 01:00 PM)..... Oct 19 2005, 09:46 PM MichaelT I recently read in a Nature article that the plain... Oct 19 2005, 01:36 PM RNeuhaus The mini-holes that I have seen are usually on the... Oct 19 2005, 02:33 PM Jeff7 QUOTE Meteorite impacts are VERY rare nowadays. Ev... Oct 19 2005, 08:27 PM helvick It's true that the martian atmosphere should a... Oct 19 2005, 09:50 PM Cugel Well, I have kept quiet the last few days just to ... Oct 19 2005, 08:51 PM Bob Shaw There was the slightly heretical theory about mini... Oct 19 2005, 09:44 PM Edward Schmitz QUOTE (Cugel @ Oct 19 2005, 01:51 PM)Well, I ... Oct 20 2005, 12:22 AM djellison QUOTE (Edward Schmitz @ Oct 20 2005, 12:22 AM... Oct 20 2005, 07:30 AM Edward Schmitz QUOTE (djellison @ Oct 20 2005, 12:30 AM)So w... Oct 20 2005, 03:00 PM paulanderson There appear to be more of these "mini-crater... Oct 20 2005, 07:29 AM Tman QUOTE (paulanderson @ Oct 20 2005, 09:29 AM)A... Oct 20 2005, 11:42 AM Bill Harris Thanks, Paul, I noticed those too and wondered if ... Oct 20 2005, 08:05 AM paulanderson QUOTE (Bill Harris @ Oct 20 2005, 12:05 AM)Th... Oct 20 2005, 05:35 PM Bill Harris Perhaps these craters are aeolian features. The r... Oct 20 2005, 12:35 PM  |
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