Re: [SWR] Martian sinkhole

2011-08-18 Thread Peter Jones
That is cool!! Sign me up for the survey trip Peter On Aug 18, 2011, at 1:23 PM, Lee H. Skinner wrote: > Could this entrance have been triggered by a meteor falling over a lava tube? > > http://hirise.lpl.arizona.edu/ESP_023531_1840 > > and click on this one in your browser for maximum

Re: [SWR] Martian sinkhole

2011-08-18 Thread Peter Jones
That is cool!! Sign me up for the survey trip Peter On Aug 18, 2011, at 1:23 PM, Lee H. Skinner wrote: > Could this entrance have been triggered by a meteor falling over a lava tube? > > http://hirise.lpl.arizona.edu/ESP_023531_1840 > > and click on this one in your browser for maximum

Re: [SWR] Martian sinkhole

2011-08-18 Thread Peter Jones
That is cool!! Sign me up for the survey trip Peter On Aug 18, 2011, at 1:23 PM, Lee H. Skinner wrote: > Could this entrance have been triggered by a meteor falling over a lava tube? > > http://hirise.lpl.arizona.edu/ESP_023531_1840 > > and click on this one in your browser for maximum

Re: [SWR] Martian sinkhole

2011-08-18 Thread Penny Boston
Hi Lee, Yes, the event you suggest is what we also suspect. This image is relatively new, but we have also been trading around a couple of other instances of an apparently similar crater breaching of subsurface cavity. A colleague in London recently sent me another entry into the Martian Cav

Re: [SWR] Martian sinkhole

2011-08-18 Thread Penny Boston
Hi Lee, Yes, the event you suggest is what we also suspect. This image is relatively new, but we have also been trading around a couple of other instances of an apparently similar crater breaching of subsurface cavity. A colleague in London recently sent me another entry into the Martian Cav

Re: [SWR] Martian sinkhole

2011-08-18 Thread Penny Boston
Hi Lee, Yes, the event you suggest is what we also suspect. This image is relatively new, but we have also been trading around a couple of other instances of an apparently similar crater breaching of subsurface cavity. A colleague in London recently sent me another entry into the Martian Cav

Re: [SWR] Martian sinkhole

2011-08-18 Thread DONALD G. DAVIS
>Could this entrance have been triggered by a meteor falling over a lava >tube? > >http://hirise.lpl.arizona.edu/ESP_023531_1840 > >and click on this one in your browser for maximum detail: > >http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg > >Lee Skinner Maybe, bu

Re: [SWR] Martian sinkhole

2011-08-18 Thread DONALD G. DAVIS
>Could this entrance have been triggered by a meteor falling over a lava >tube? > >http://hirise.lpl.arizona.edu/ESP_023531_1840 > >and click on this one in your browser for maximum detail: > >http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg > >Lee Skinner Maybe, bu

Re: [SWR] Martian sinkhole

2011-08-18 Thread DONALD G. DAVIS
>Could this entrance have been triggered by a meteor falling over a lava >tube? > >http://hirise.lpl.arizona.edu/ESP_023531_1840 > >and click on this one in your browser for maximum detail: > >http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg > >Lee Skinner Maybe, bu

[Texascavers] Re: [SWR] Martian sinkhole

2011-08-18 Thread Lee H. Skinner
On 8/18/2011 11:29 AM, Peter Jones wrote: That is cool!! Sign me up for the survey trip But be careful, Peter. It could also be the home of the endangered Giant Martian Ant-Lion. When you repel in, take some bear spray.! Lee Skinner -

[Texascavers] Re: [SWR] Martian sinkhole

2011-08-18 Thread Lee H. Skinner
On 8/18/2011 11:29 AM, Peter Jones wrote: That is cool!! Sign me up for the survey trip But be careful, Peter. It could also be the home of the endangered Giant Martian Ant-Lion. When you repel in, take some bear spray.! Lee Skinner -

[Texascavers] Re: [SWR] Martian sinkhole

2011-08-18 Thread Lee H. Skinner
On 8/18/2011 11:29 AM, Peter Jones wrote: That is cool!! Sign me up for the survey trip But be careful, Peter. It could also be the home of the endangered Giant Martian Ant-Lion. When you repel in, take some bear spray.! Lee Skinner -