Talk:Ames crater

Impact speed is impossible

The 'Discovery' section cites (without attribution) that the impactor's speed was 700 thousand miles per hour. This is approximately 313 km per second, far in excess of the approximately 70 km per second that is the maximum impact speed a solar system object can have with the Earth. — Preceding unsigned comment added by 186.176.9.199 (talk) 19:17, 26 February 2015 (UTC)

The number in question was inaccurately written. The Zizzo article, which is cited at the end of the paragraph, gives 70 thousand miles per hour. The factor of 10 puts the speed around 31 km per second, well within the limit you showed. Thanks for catching this. Incidentally, I think the banner should have appeared below the Discovery section title. You may want to remove the banner altogether. Bruin2 (talk) 22:00, 26 February 2015 (UTC)

I know no one will read this but I have to say that I was there when this was being researched. They hired a guy Donofrio at NASA who talked about how fast the object likely hit the earth and it was ~5000 MPH. This is a naturally occurring limit to flying in our atmosphere supposedly. The stuff they did to research this was kind of crazy. It involved reviewing Nazi cannons, bars or metal hitting sand at 5000 mph and I was even pulled from class for taking something to my science class as a project. — Preceding unsigned comment added by Mattluttrell (talk • contribs) 14:49, 5 December 2019 (UTC)

External links modified

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• Added archive https://web.archive.org/web/20131219011111/http://principles.ou.edu/ames/ to http://principles.ou.edu/ames/
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• Added archive https://web.archive.org/web/20100710050906/http://geophysics.ou.edu/solid_earth/notes/solar_system/Ames3.htm to http://geophysics.ou.edu/solid_earth/notes/solar_system/Ames3.htm
• Added archive https://web.archive.org/web/20100710050906/http://geophysics.ou.edu/solid_earth/notes/solar_system/Ames3.htm to http://geophysics.ou.edu/solid_earth/notes/solar_system/Ames3.htm
• Added archive https://web.archive.org/web/20140528005417/http://cpsx.uwo.ca/wp-content/uploads/2011/05/BGInfoCraters-Osinski_2008_Meteorite_impact_structures_Geology_Today.pdf to http://cpsx.uwo.ca/wp-content/uploads/2011/05/BGInfoCraters-Osinski_2008_Meteorite_impact_structures_Geology_Today.pdf

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External links modified (January 2018)

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Location and diameter

The intro says the crater is "north of" Ames. Actually Ames is near the center. That is easily fixed. There is conflicting information on the diameter. Earth Impact Database says it is 16 km. The map at this source says it is about 10 km (see the map). I added the Landsat image today that uses the latter source from a professor (I think) at Oklahoma Univ. One possible source of confusion is that 16 km is about 10 miles, so the units may have been flipped and 10 km may be right. Jstuby (talk) 21:36, 6 December 2021 (UTC)