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This is an old revision of this page, as edited by 129.70.6.216 (talk) at 14:18, 1 August 2008 (Martian Atmospheric Pressure). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Featured articleMars is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so.
Featured topic starMars is part of the Solar System series, a featured topic. This is identified as among the best series of articles produced by the Wikipedia community. If you can update or improve it, please do so.
Main Page trophyThis article appeared on Wikipedia's Main Page as Today's featured article on May 8, 2007.
Article milestones
DateProcessResult
March 10, 2005Featured article candidateNot promoted
April 22, 2006Good article nomineeListed
June 13, 2006Peer reviewReviewed
July 12, 2006Featured article candidateNot promoted
September 26, 2006Featured article candidateNot promoted
October 15, 2006Featured topic candidatePromoted
March 15, 2007Featured article candidatePromoted
Current status: Featured article

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introduction

I'm altering the last sentence of the third paragraph of the intro where it's written that mars is the most likely planet to harbour liquid water. Scientists are very certain that the temperature is too cold for liquid water today. I'm changing it to "most likely to have once harboured liquid water." 209.148.211.142 (talk) 19:14, 21 June 2008 (UTC)rando209.148.211.142 (talk) 19:14, 21 June 2008 (UTC)[reply]

See Once Upon a Water Planet. Mars may still have occasional pockets of water today. Mars was wet with rivers and lakes. Every few centuries weather conditions might become clement enough for that water to "come and go" on the surface. -- Kheider (talk) 20:24, 21 June 2008 (UTC)[reply]

Martian Atmospheric Pressure

The page has it for Mars at 1kPa versus 100kPa for earth. Now we're all familiar with the Mars Polar lander, which used a parachute [1] . So, can somone explain to me how in the world are they able to slow down the craft for landing by using a parachute given that there is practically no air? Either the atmospheric pressure in this section is wrong or the polar lander is somewhere in Antartica.

Also the gravity is lower on Mars than it is on Earth (by a factor of ~10). So a parachute would slow you down about 1/10 as well as on Earth. So just use a parachute ten times as big as those used on Earth for the same weight, and there will be no problem.--129.70.6.216 (talk) 14:18, 1 August 2008 (UTC)[reply]

Climate

There is an error in the climate section. It says in the climate section that the summer in the south pole can reach a temperature of 30 C. While this may be true, the conversion to F that is there is not correct. 30 C = 86 F, not 58 F. —Preceding unsigned comment added by Sorryseed (talkcontribs) 16:24, 25 May 2008 (UTC)[reply]

It does not say that temperatures reach 30 Celsius at the South Pole! It just says it gets 30 degrees Celsius warmer in the southern hemisphere summer than it does in the northern hemisphere summer. The conversion from Celsius to Fahrenheit is also wrong. A change of thirty degrees Celsius is equivalent to a change of 54 degrees of Fahrenheit not 86 degrees of Fahrenheit. You do not need to add the 32; you are not adjusting for the Fahrenheit Celsius scale constant differences, in this case. Otherwise, a zero degree change in Celsius would be the equivalant to 32-degrees of change in Fahrenheit. No, a zero degree change in Celsius is the same as a zero degree change in Fahrenheit. I've changed the 86 to 54 but possibly the original 58 F was the real difference in summer temperatures, given by NASA perhaps, and the 30 Celsius conversion was just a nicely rounded down whole figure from that?—Preceding unsigned comment added by 93.96.122.175 (talk) 03:29, 31 May 2008 (UTC)[reply]

Looking in Mercury, temperature is given in the introduction in K, shouldn't t be done equal in all? —Preceding unsigned comment added by 213.96.27.36 (talk) 14:42, 26 June 2008 (UTC)[reply]

Ice

Someone should add that Ice was discovered on Mars today. . Full story here: http://phoenix.lpl.arizona.edu/06_19_pr.php Karfair (talk) 05:55, 20 June 2008 (UTC)[reply]

Explanation for the northern basin

The dichotomy of Martian topography is striking: northern plains flattened by lava flows contrast with the southern highlands, pitted and cratered by ancient impacts.

I've seen in the news an article that could explain this. Since I thought you'd be interested, I posted it here. Bye, Shinobu (talk) 08:06, 26 June 2008 (UTC)[reply]

Pheonix Lander: Mars soil can support life

Can someone familiar with the article add this latest find? The lander has found that Martian soil is hospitable for growing plants. Also, the lander has purportedly found proof that liquid water once existed there. This is big news here. Okiefromokla complaints 23:51, 26 June 2008 (UTC)[reply]

That news will also get suppressed. See Richard C. Hoagland's website] about other news items that gets suppressed. "Skeptics" don't want it here. See the mess that UFO Watchdog] caused on the Philip Klass page when matter on there has been found criticising him was found, but was willfully censored out of Wikipedia as being "inappropriate(See History section on the Philip Klass article)", worse. Seen it myself. It is there. 65.163.117.135 (talk) 06:16, 30 July 2008 (UTC)[reply]
The Klass matter is on "Hall of Shame 1, 7th on that list. Seen it there.65.163.117.135 (talk) 06:18, 30 July 2008 (UTC)[reply]
The matter about suppression of criticism of Philip Klass is on the History section of the article, one about a 3rd opinion(Who gave it?!), dates are 9-8-06, 1-1-08, 3-6-08, 6-11-08. 65.163.117.135 (talk) 06:31, 30 July 2008 (UTC)[reply]
See also the CSICOP article's History Section as well. 65.163.117.135 (talk) 06:38, 30 July 2008 (UTC)[reply]
Found the ref. about a "inappropriate link" in the CSICOP article's History section. It is dated Jan, 7, 2008. That is why the news article you had found will be not placed here or some "skeptic" will remove it. 65.163.117.135 (talk) 06:42, 30 July 2008 (UTC)[reply]
Said link is the UFO Watchdog link criticising both Philip Klass and CSICOP, all in its "Hall of Shame 1, 7th on that listing. No one here wants to really examine that, just as they will not examine what you placed here. To others on here, I'm not acting like a ass, only being truthfull and pointed the way to evidence.65.163.117.135 (talk) 06:45, 30 July 2008 (UTC)[reply]

Water

Thursday, July 31, 2008, NASA said they have definitive proof of water on Mars, and should this be included in this article? The following link goes to the Yahoo article: LINK Viet|Pham (talk) 02:48, 1 August 2008 (UTC)[reply]

Sounds important to me, I'd say include it. --ChetvornoTALKCONTRIB 08:28, 1 August 2008 (UTC)[reply]
I added it under "Historical Observations", and nominated it for ITN.--Bedford Pray 08:32, 1 August 2008 (UTC)[reply]