Wikipedia talk:WikiProject Solar System
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[edit] Reorganization of Space related wikiprojects
I've been thinking about how the Mars and Moon wikiprojects will fit into the Solar System project and have come up with the following suggestions;
- All discussions on these two talk pages should be redirected to the Solar System talk page in order to help achieve a critical mass.
- The main Mars and Moon project pages should remain as is. These contain useful information related to these specialized subtopics.
- The article assessments and project banners should remain as is for the Moon and Mars subprojects. These are useful for those who are interested in tracking health of these respective subdisiplines.
- If the time comes that the talk page of Solar System becomes overloaded, we can spin off these topics back to the old Mars and Moon talk pages.
Let me know what you think. In about a week I'll make the necessary changes to the Moon talk page. (I am currently alerting the members of Martian Geography to the possibility of renaming this project to just Mars to increase its scope.) Lunokhod 22:32, 25 February 2007 (UTC)
- Please refer tp the discussion on reorganising Space-related projects. Best to keep all discussion in one place. --GW_SimulationsUser Page | Talk 20:45, 2 March 2007 (UTC)
[edit] Mars: FAC
The Mars page has been put in as a featured article candidate - the comments so far here are of general interest to the current space reorganisation and solar system wide FA status :) - also any help giving Mars a push towards FAC velocity much appreciated, kind regards, sbandrews 18:50, 26 February 2007 (UTC)
[edit] Ephemerides
Found these, some of them have been prodded. 70.51.8.30 06:42, 3 March 2007 (UTC)
- Aspects of Mars
- Aspects of 1 Ceres
- Aspects of 2 Pallas
- Aspects of 3 Juno
- Aspects of 4 Vesta
- Aspects of Jupiter
- Aspects of Saturn
- Aspects of Uranus
- Aspects of Neptune
- Aspects of Pluto
[edit] Exploded Planet Hypothesis
Exploded Planet Hypothesis has been AfD'd. 70.55.84.23 06:55, 6 March 2007 (UTC)
[edit] Conversion templates
Hello! This is to announce that several templates for automatic convertion between metric and imperial units and for displaying consistently formatted output have been created: {{km to mi}}, {{mi to km}}, {{m to ft}}, {{ft to m}}, {{km2 to mi2}}, {{mi2 to km2}}, {{m2 to ft2}}, and {{ft2 to m2}}. Hopefully, they will be useful to the participants of this WikiProject. The templates are all documented, provide parameters to fine-tune the output, and can be substituted if necessary.
Any suggestions, requests for improvement/features, or bug reports are welcome.—Ëzhiki (Igels Hérissonovich Ïzhakoff-Amursky) • (yo?); 17:12, 6 March 2007 (UTC)
[edit] Portal:Solar System
How shall we maintain the Solar System portal? Atomic1609 19:06, 24 March 2007 (UTC)
[edit] Pluto GA Nomination
Pluto is close to achieving GA status, but there are a few unreferenced sections. Atomic1609 12:38, 25 March 2007 (UTC)
[edit] aspects of asteroids
A whole lot of asteroids appear to have these ephemerides sections attached to them. See asteroids starting at #10, and continuing on and on and on. 132.205.44.134 21:40, 5 April 2007 (UTC)
[edit] Independent evidence for Apollo Moon landings → Apollo missions tracked by independent parties
Independent evidence for Apollo Moon landings → Apollo missions tracked by independent parties- proposed by user:ScienceApologist. 132.205.44.134 23:08, 12 April 2007 (UTC)
[edit] Template:Pluto spacecraft, Template:Neptune spacecraft, Template:Uranus spacecraft
Template:Pluto spacecraft has been proposed for deletion at WP:TFD by user:Cop 633. 132.205.44.134 23:37, 12 April 2007 (UTC)
[edit] Uranus
I nominated Uranus for WP:AID because it needs work (the other planets and dwarf planets are good or featured articles). Please support it there. — Pious7TalkContribs 00:11, 14 April 2007 (UTC)
[edit] Solar nebula renaming
Planetary formation→ Nebular hypothesisSolar nebula → Nebular hypothesis - Serendipodous 20:58, 12 April 2007 (UTC)
- See WP:RM for the suggestion.
70.51.11.38 03:29, 18 April 2007 (UTC)
[edit] Category:Solar System dynamic theories
I made the Category:Solar System dynamic theories, containing post-Newton astronomical (not that astrological stuff) theories about explosive solar system events, like Late Heavy Bombardment, Planet V etc..
- Either: kill me violently, screaming: why did you create that stupid category? (you moron!!),
- Or: hint me about pages that may belong to that category.
- ...no third option...
Said: Rursus 10:19, 19 April 2007 (UTC)
[edit] Major Articles
Are there any really major Solar System articles that should go in the portal that I left out? Keep in mind that sub-articles of planets have to be added evenly. For example, we can't just have Geography of Mars if we want it, we have to have a Geography article for every planet that has it. Also remember that not every Solar System-related article can fit without cluttering the portal - I'm asking if I left out any obvious major articles. — Pious7TalkContribs 15:39, 21 April 2007 (UTC)
- I've added Halley's Comet to the list of comets in the topics section. Watch37264 19:18, 21 April 2007 (UTC)
[edit] Neptune Peer Review
Because Neptune is an A-class article, I started a peer review for it. Feel free to review it or address some of the criticism so it can become a featured article candidate. The Solar System featured topic is almost all featured articles and this makes it one step closer. — Pious7TalkContribs 19:47, 21 April 2007 (UTC)
[edit] Portal: Solar System as Featured Portal Candidate
Portal: Solar System is a featured portal candidate at Wikipedia:Featured_portal_candidates/Portal:Solar_System. So far, there hasn't been much of a discussion. — Pious7TalkContribs 20:12, 25 April 2007 (UTC)
[edit] Importance ratings on articles...
I think we should have importance ratings on articles. Some articles obviously deserve more attention than others (e.g. Solar System would be top-importance, the planets and dwarf planets would be high-importance, etc.). Especially if the Space reorganization is ever complete, we need to be more active. — Pious7TalkContribs 21:21, 7 May 2007 (UTC)
[edit] Hey Guys
Hey fellow members. Doesn't everyone agree with me that we should make a userbox for our WikiProject. What does everyone else think? Leave your comments here. Thanks, Meldshal42.
- I made one at Template:User Solar System... — Pious7TalkContribs 00:29, 8 May 2007 (UTC)
[edit] Oort Cloud
Hi
I'm trying to sort out the mess at the end of the Oort Cloud article, and have put a potential rewrite on the article's talk page. Any feedback would be most welcome - I've read the literature in an attempt to sort this out, but the outer solar system isn't my usual territory. Chrislintott 18:53, 12 May 2007 (UTC)
- I've added it to the To Do list of WikiProject Solar System under "cleanup." — Pious7 02:25, 14 May 2007 (UTC)
[edit] Amalthea
I nominated article about Amalthea for good article status. Please, review it. Ruslik 12:02, 17 May 2007 (UTC)
The article about Amalthea (moon) has been listed as a good article now. Ruslik 13:27, 26 May 2007 (UTC)
[edit] Rings of Jupiter
I requested scienific peer review of the article about Rings of Jupiter. Any comments are welcome.Ruslik 11:13, 22 May 2007 (UTC)
[edit] Uranus is ACID's collaboration this week
Uranus has survived WP:ACID and is this week's collaboration. Please help improve this neglected article if you can. — Pious7 02:19, 23 May 2007 (UTC)
[edit] Planetary-size comparison
Found an unusual article, Planetary-size comparison, which in a previous incarnation was redirected as a fork. Looks like it might be cleaned up into a reasonable article for the Simple English Wikipedia? 70.55.86.19 05:02, 29 May 2007 (UTC)
[edit] Rings of Jupiter to FA
I nominated the article for FA status. Please, participate. Ruslik 13:35, 1 June 2007 (UTC)
[edit] Deadline for Uranus
Per the new resolution at Wikipedia:Featured topic criteria, the Solar System featured topic will be eligible for removal after 1 January 2008 if Uranus is not improved to GA or FA level. Thanks.--Pharos 03:09, 8 June 2007 (UTC)
[edit] Io (moon) Scientific Peer Review
I have submitted Io (moon) for a Scientific Peer Review. Any comments on further improve the article, particularly along the lines of the points mentioned on the peer review discussion page, would be much appreciated. Let's try to get another moon to featured article status (or in this case, back to featured article status). --Volcanopele 20:39, 12 June 2007 (UTC)
[edit] Tiamat (hypothetical planet)
Tiamat (hypothetical planet) has been requested for deletion at WP:AFD by User:JoshuaZ. 132.205.44.134 02:35, 15 June 2007 (UTC)
Agree, because it's not a scientific theory. Its proper place should be in the modern mythology category if it existed (not in Hypothetical bodies of the Solar System). Ruslik 07:43, 16 June 2007 (UTC)
[edit] FT Discussion
There is a discussion going on about the Solar System featured topic on its talk page. Feel free to contribute to the discussion and help improve that featured topic's articles.— Pious7 15:13, 16 June 2007 (UTC)
[edit] Selecting Pictures for Portal:Solar System
You can help select pictures for Portal:Solar System! Simply go to the nomination page and nominate or vote on a featured picture that meets its requirements. — Pious7 18:07, 24 June 2007 (UTC)
[edit] I've got Sitchin
Every now and again I come down with serious Sitchin. And now it's at hypothetical planet again. I deleted it and it came right back. I don't really know what to do with him; he just keeps popping up. It's the new religion I think. Serendipodous 22:21, 30 June 2007 (UTC)
[edit] Minor forking issue
I'm not sure if this is resolvable, but heliosphere, interplanetary medium, and solar wind all deal with different aspects of the same thing. I was wondering if there was some possibility for mergence. Serendipodous 22:21, 30 June 2007 (UTC)
[edit] List of asteroids at AfD
List of asteroids was nominated for deletion at WP:AFD by user:Cerejota as listcruft: Wikipedia:Articles for deletion/List of asteroids. 132.205.44.5 21:45, 19 July 2007 (UTC)
[edit] Callisto
I requested peer review of Callisto (moon of Jupiter). Any comments are appreciated. Ruslik 16:53, 20 July 2007 (UTC)
[edit] AfD on Comets in popular culture
Comets in popular culture has been nominated for deletion by user:Eyrian at 19:21, 26 July 2007 (UTC). The discussion is at Wikipedia:Articles for deletion/Comets in popular culture. 132.205.44.5 22:25, 26 July 2007 (UTC)
[edit] Saturn FAC
I have nominated the article Saturn, on which I have been working for a couple of weeks now, for FAC. Please come and support it here. Thank you. Universe=atomTalk•Contributions 16:37, 27 July 2007 (UTC)
[edit] Solar nebula → Nebular hypothesis
Serendipodous suggests that Solar nebula be renamed Nebular hypothesis. 70.51.8.214 07:16, 30 July 2007 (UTC)
[edit] Congratulations!
Congratulations! I have gotten the article Saturn to Featured Status, as seen here. A great boost to this project. Universe=atomTalk•Contributions 09:56, 3 August 2007 (UTC)
[edit] Wikipedia:Featured article candidates/Geology of solar terrestrial planets
i created this page on 4th August 2007, and now i have nominated the page for FAC. please leave your comments at Wikipedia:Featured article candidates/Geology of solar terrestrial planets. If any thing needs to be worked out then do tell me before hand. thanks, Sushant gupta 12:41, 8 August 2007 (UTC)
[edit] WP:AFD on Speculation that Iapetus is artificial
Speculation that Iapetus is artificial has been nominated for deletion at Wikipedia:Articles for deletion/Speculation that Iapetus is artificial by User:Radiant!. 132.205.44.5 22:00, 8 August 2007 (UTC)
[edit] WP:CFD on Category:People with craters of the Moon named after them
User:RobertG has nominated Category:People with craters of the Moon named after them for conversion into the list List of people with craters of the Moon named after them. 132.205.44.5 23:34, 9 August 2007 (UTC)
[edit] Uranus
This article is currently a FA candidate. Please, participate. Comments can be left here.Ruslik 13:17, 13 September 2007 (UTC)
[edit] Ceres (dwarf planet)
User:Nergaal has nominated Ceres (dwarf planet) for featured status. Please comment here.Serendipodous 14:30, 13 September 2007 (UTC)
[edit] 2006 definition of planet
2006 definition of planet has an ongoing renaming debate on the talk page, and several non-consensus renames over the weekend. 132.205.44.5 00:22, 18 September 2007 (UTC)
[edit] Kuiper belt, Scattered disc, Pluto, Eris
On the oft-chance that someone actually reads this (this is the page we're supposed to discuss these things after all), we need to come to some kind of agreement about the definition of Kuiper belt vs. Scattered disc. If we assume that the scattered disc is separate from the kuiper belt, then scattered disc should keep its own article. If we decide to refer to Eris as the largest object in the Kuiper belt, then Scattered disc article should be merged with the Kuiper belt article. Since there is no agreed scientific definition of this, we need to find some way to clear up the confusion. Serendipodous 09:52, 4 October 2007 (UTC)
[edit] Callisto
I nominated Callisto to FAC. You can leave your comments here. Ruslik 12:14, 4 October 2007 (UTC)
[edit] Asteroid bot
Hi! Eagle 101 and I and created a bot that would create articles on every asteroid we don't have articles on. Please provide your support or objection to the proposal here. Daniel Bush 17:03, 9 October 2007 (UTC)
[edit] New templates
I've created footers for all of the planets (and one of the dwarf planets). Feel free to revise or suggest any changes. Remember 22:26, 19 October 2007 (UTC)
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- Nice job, though (and I'm sure you already realise this) the footers are going to have to have Eris and Ceres versions as well. Serendipodous 06:59, 20 October 2007 (UTC)
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- Shouldn't Eris and Ceres have distinct colours? 132.205.44.5 01:51, 13 November 2007 (UTC)
- I've adjusted Eris' colour. 132.205.44.5 03:11, 14 November 2007 (UTC)
- Eris and Ceres now no longer look like the Sun and the Moon in colour of their templates. 132.205.44.5 04:03, 15 November 2007 (UTC)
- I've adjusted Eris' colour. 132.205.44.5 03:11, 14 November 2007 (UTC)
- How about an {{Earth Footer}}? and perhaps a redirect from {{The Moon}} to template:The Moon, and {{Sun Footer}} to template:The Sun? (one more planet, and two former planets) 132.205.44.5 01:56, 13 November 2007 (UTC)
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[edit] When I was your age, Pluto was a Planet at AfD
When I was your age, Pluto was a Planet has been sent for deletion, see Wikipedia:Articles for deletion/When I was your age, Pluto was a Planet. 132.205.99.122 20:46, 12 November 2007 (UTC)
[edit] MESUR
MESUR (Mars Environmental Survey) program seems to be missing. 132.205.99.122 22:01, 15 November 2007 (UTC)
[edit] Dwarf planet
The article has been nominated for Wikipedia:Article Collaboration and Improvement Drive.Nergaal (talk) 20:17, 20 November 2007 (UTC)
[edit] Surface features of celestial bodies
categories of Surface features of celestial bodies has been nominated to rename from cat:X on Y to cat:X of Y. See Wikipedia:Categories for discussion/Log/2007 December 9#Surface features of celestial bodies 132.205.99.122 (talk) 20:18, 10 December 2007 (UTC)
[edit] Venus FAR
Venus has been nominated for a featured article review. Articles are typically reviewed for two weeks. Please leave your comments and help us to return the article to featured quality. If concerns are not addressed during the review period, articles are moved onto the Featured Article Removal Candidates list for a further period, where editors may declare "Keep" or "Remove" the article from featured status. The instructions for the review process are here. Reviewers' concerns are here.
Serendipodous 15:52, 18 December 2007 (UTC)
[edit] List of asteroids/1–100 at AfD
List of asteroids/1–100 has been nominated for deletion .132.205.44.5 (talk) 23:08, 20 December 2007 (UTC)
[edit] List of asteroids/7201–7300 at AFD
List of asteroids/7201–7300 is up for deletion at Wikipedia:Articles for deletion/List of asteroids/7201–7300 because it is a directory (see WP:NOT). 132.205.44.5 (talk) 22:42, 15 January 2008 (UTC)
[edit] Triton (moon)
A peer review has been requested for this article. If you wish to contribute, please do. Serendipodous 21:33, 31 January 2008 (UTC)
[edit] Ganymede
The article has been nominated for peer review. Please, participate. Ruslik (talk) 19:10, 31 January 2008 (UTC)
[edit] FAC:Dwarf planet
Since this article falls under this project, for those interested you can leave some comments about the FAC here. Nergaal (talk) 08:41, 14 February 2008 (UTC)
[edit] Astronomy Cast
These excellent podcasts have conducted an in-depth survey of the Solar System. They are informative and also link to a number of authoritative sites. They might make good external links:
- The Sun
- Mercury
- Venus
- Earth
- Near Earth asteroids
- Meteorites
- The Moon
- Mars
- Asteroid belt
- Jupiter
- Jupiter's moons
- Saturn
- Saturn's moons
- Uranus
- Neptune
- Pluto, the Kuiper belt and the Oort cloud
- Comets
- Heliopause
Serendipodous 11:26, 14 February 2008 (UTC)
[edit] Category:Binary asteroids up for renaming to Category:Asteroids with moons
Category:Binary asteroids is up for renaming at WP:CFD. Note that there also exists Category:Asteroid satellites 132.205.44.5 (talk) 22:42, 15 February 2008 (UTC)
[edit] Ganymede's FA
The article is now FA candidate. Please, participate. Ruslik (talk) 14:15, 21 February 2008 (UTC)
[edit] TfD on Template:Moons of Neptune
Template:Moons of Neptune has been nominated for deletion, because of redundancy with Template:Neptune. 132.205.44.5 (talk) 20:38, 21 February 2008 (UTC)
[edit] Notability of named asteroids
Naerii has asked for the red links on the following pages to be filled in with relevant information. I have created several of these stubs, but recently someone has asked me about the notability of these rocks. And, before continuing creating these stubs, I would like know whether or not these are notable and whether or not they should have articles. The lists of pages is as follows:
- List of named asteroids (A-C)
- List of named asteroids (D-E)
- List of named asteroids (F-H)
- List of named asteroids (I-K)
- List of named asteroids (L-N)
- List of named asteroids (O-R)
- List of named asteroids (S-V)
- List of named asteroids (W-Z)
Thanks for your time. -- Cobi(t|c|b) 07:54, 8 March 2008 (UTC)
- Considering that plenty of those articles which already exist are of equal notabilty (some examples) it seems to me that either all should exist, or a selected few of high 'notability'. It seems odd to apply the concept of notability to asteroids, btw. Anyway, I found the list on User:Messedrocker/goldmine originally and never questioned whether or not they should be created - my bad? I was just doing as I was told :( But imo there's no reason for these articles not to exist, one asteroid is usually as notable as another and I don't see how minor planets etc can not be notable. It's not like they're garage bands or something. Idk. Input would be interesting though. You might want to post this on Wikipedia:WikiProject Astronomical objects as they appear to have more members. -- Naerii · plz create stuff 18:20, 8 March 2008 (UTC)
- Also, see Wikipedia:Articles_for_deletion/List_of_asteroids/1–100 where people unanimously agreed that named asteroids were inherently notable (just three months ago). -- Naerii · plz create stuff 18:23, 8 March 2008 (UTC)
[edit] FA push of Oort Cloud
Hey everybody, serenptious and I are about to start a FA push in Oort Cloud. any help is truly appreciated. Samuel Sol (talk) 14:59, 14 March 2008 (UTC)
Just wanted to notify you all that Serendipodous has nominated this article for FA (see nomination.). Good luck to all who contributed. Meldshal42Comments and SuggestionsMy Contributions 19:23, 1 April 2008 (UTC) === Change of heart- New FA Push will begin on scattered disc === Hello. Just wanted to notify that Serendipodous, Samuel Sol, (and the little-known me) have decided to change our main view for FA push. The oort cloud is a tough subject because most of the data is only from indirect research. So, we will presently be moving our focus to scattered disc. Thank you, and if you have any questions regarding this change of heart, please feel free to contact me by simply clicking on the "Comments and Suggestions" link in my signature. I will get back to you A.S.A.P.
Thanks, Meldshal42Comments and SuggestionsMy Contributions 19:30, 26 March 2008 (UTC)
[edit] Neptune
Congratulations to all who contributed to this new FA! The hard work shows all over this article. Great job, and hopefully Oort Cloud will be our next FA! Congrats! Meldshal42Comments and SuggestionsMy Contributions 19:47, 14 March 2008 (UTC)
[edit] List of moons
I'm slowly bringing List of moons up to Featured List quality. Any help, and/or suggestions, would be greatly appreciated. Thanks. Mike Peel (talk) 23:13, 14 March 2008 (UTC)
[edit] The Big Bang
I was just wondering, should we add the Big Bang to our perspective? It is already an FA, so there wouldn't be that much worth in it. However, having yet another FA could be beneficial. Meldshal42Comments and SuggestionsMy Contributions 21:44, 24 March 2008 (UTC)
- We're just the Solar System here. That's not really our address. Serendipodous 22:06, 24 March 2008 (UTC)
- Alright. I wasn't planning on adding it. Meldshal42Comments and SuggestionsMy Contributions 23:56, 24 March 2008 (UTC)
[edit] Nebular hypothesis
The article has been nominated for peer review. Please, participate. Ruslik (talk) 09:15, 31 March 2008 (UTC)
[edit] Mercury Featured Article Review
Mercury (planet) has been nominated for a featured article review. Articles are typically reviewed for two weeks. Please leave your comments and help us to return the article to featured quality. If concerns are not addressed during the review period, articles are moved onto the Featured Article Removal Candidates list for a further period, where editors may declare "Keep" or "Remove" the article from featured status. The instructions for the review process are here. Reviewers' concerns are here. Kaldari (talk) 21:31, 14 April 2008 (UTC)
- Mercury is now a Featured Article Removal Candidate and looks destined to lose it's featured article status unless significant work is done on it. Kaldari (talk) 16:12, 8 May 2008 (UTC)
[edit] Nebular hypothesis
I have nominated this article to featured article. Ruslik (talk) 10:08, 23 April 2008 (UTC)
[edit] List of Mercury-crossing asteroids was prodded then unprodded
List of Mercury-crossing asteroids was prodded by user:Jeepday after an exact-phrase search did not turn up "Mercury-crossing asteroid". Cited WP:OR, WP:N, and WP:V. It was then deprodded by user:Phil Bridger because an exact-phrase search was unreasonable way to search for the topic. 70.55.88.176 (talk) 09:12, 12 May 2008 (UTC)
[edit] International Year of Astronomy 2009
2009 has been proclaimed as the International Year of Astronomy. It would be great to tie in with this, both to help with the aims of the international year and to spur extra improvements to Wikipedia's coverage of astronomy. I've started a thread about this over at WikiProject Astronomy; please have a look and join in with the conversation. Thanks. Mike Peel (talk) 20:41, 24 May 2008 (UTC)
[edit] Pluto → Pluto (dwarf planet)
User:Electrical Experiment is proposing to rename the former planet, Pluto to Pluto (dwarf planet). 70.51.9.216 (talk) 08:53, 25 May 2008 (UTC)
[edit] Rings of Uranus
I submitted this article for a peer review. You can comment here. Ruslik (talk) 08:47, 26 May 2008 (UTC)
[edit] Regions of Titan
Please create an article called Regions of Titan TO PUT Xanadu Shangri-La Adiri etc. It is just an Idea —Preceding unsigned comment added by 200.82.137.6 (talk) 21:39, 1 June 2008 (UTC)
[edit] Asteroid stub-berg
There are over 10,000 Cat:asteroid stubs kicking around now (and more in its largest subcategory), thanks to the "work" of the bot mentioned on this page a couple of months ago. The majority of these articles seem to contain extremely minimal information, making my wonder as to their actual utility, or indeed improvability. Certainly, there seems to be too little information to usefully split them up into further stub types, to try to make this more manageable, and to helpfully stop the more salvageable articles from being swamped by this stuff. Anyone have any ideas? Alai (talk) 16:39, 8 June 2008 (UTC)
See: Wikipedia_talk:WikiProject_Astronomical_objects#Asteroid_articles -- Kheider (talk) 17:16, 8 June 2008 (UTC)
- Thanks. I'd tried to start discussion there earlier, without detectable success, so I'd begun to suspect it wasn't the right venue, and had missed this later one. Alai (talk) 18:37, 8 June 2008 (UTC)
[edit] Pluto prototype → Plutoid
The IAU has decided on the name for this category of objects. Here's the press release. -- Cyrius|✎ 15:47, 11 June 2008 (UTC)
[edit] Impact basin
Is there a source for a definition of Impact basin, specifically how a basin's size is measured? I recently changed Hellas Planitia in an attempt to reconcile the difference between the cite from Brittanica (7000 km) and the cite from NASA (2100 km). Quite a difference but they appear to be talking of different things.
Among planetary scientists does basin include the rim, the ejecta blanket and concentric topographic rings further out? What do they mean by "floor" and "rim"?
After my edits the Hellas Planitia article has "extends about 2300 km east to west" to which I added an inline ref of "The part below zero datum". That's my original research by looking a NASA profile. This NASA source has "about 2100". 2300 is from a 1990 book.
I also added "and its debris field could be interpereted as extending about 7000 km across" to try to reconcile it with the earlier 7000 km Brittanica cite. Again I looked at the NASA profile and guessed the outer extent of the debris (a very wild guess).
Here are quotes from some craters listed in Impact basin#Largest named craters in the Solar System (the number is the given rank):
- 1. South Pole-Aitken basin "2500 kilometers in diameter and 13 kilometers deep"
- 2. Hellas Planitia "2100", "2300", "7000"
- 3. Skinakas Basin "2300 km", "double-ringed structure, with the inner ring having a diameter of around 1600 km"
- 8. Argyre Planitia "approximately 1120 miles (1800 kilometers) wide, believed to be the second-largest impact basin on Mars after Hellas Planitia"
- 12. Valhalla (crater) "central region 600 km across, an inner ridge and through zone and striking concentric rings extending to a diameter of approximately 3,800 km"
Missing from that list is:
- Chryse Planitia "1600 km in diameter and with a floor 2.5 km below the average planetary surface altitude"
Advice requested, (maybe cleanup of my edits!) -84user (talk) 19:20, 12 June 2008 (UTC)