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Post by Deleted on Jan 10, 2017 21:02:20 GMT
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Post by mossie on Apr 17, 2017 19:08:32 GMT
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Post by Deleted on Apr 19, 2017 4:43:35 GMT
triple concentricity!
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Post by bixaorellana on Aug 12, 2017 14:48:34 GMT
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Post by kerouac2 on Sept 23, 2017 19:04:52 GMT
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Post by bixaorellana on Jul 17, 2018 21:26:51 GMT
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Post by kerouac2 on Jan 10, 2019 14:48:59 GMT
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Post by lugg on Mar 7, 2019 19:37:09 GMT
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Post by bixaorellana on Mar 7, 2019 20:26:47 GMT
Oooooo ~ magnificent photo, Lugg!
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Post by mossie on Jun 27, 2019 15:11:30 GMT
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Post by kerouac2 on Jun 27, 2019 15:59:31 GMT
Great one!
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Post by onlyMark on Jun 27, 2019 16:19:57 GMT
I'm going to disqualify that one because it is an oval. Had you said it was an ellipse, which includes circles and ovals, then I would have let it in.
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Post by questa on Jun 27, 2019 16:37:42 GMT
I was told (maybe as a joke) that you can't get a true circle on Earth because the curve in the circumference of the planet interferes with the geometry making it an oval. Ditto a straight line becomes a curved arc of the planet therefore can't have a true straight line either. Is this true? If so, will someone warn the Notre Dame chaps.
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Post by mossie on Jun 27, 2019 18:14:50 GMT
Then explain how a Great Circle becomes a straight line
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Post by onlyMark on Jun 28, 2019 6:48:54 GMT
Imagine a piece of string in a circle. If you cut it and stretch it out you get a straight line.
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Post by bixaorellana on Oct 27, 2019 16:36:17 GMT
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Post by lugg on Oct 28, 2019 11:37:07 GMT
Brilliant
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Post by bixaorellana on Oct 28, 2019 15:50:08 GMT
Thank you, dear lady!
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Post by kerouac2 on May 16, 2021 9:07:12 GMT
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Post by kerouac2 on Jun 9, 2021 14:35:10 GMT
Mine is bigger than Mossie's!
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Post by mossie on Jun 9, 2021 14:46:17 GMT
Are you boasting or complaining??
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Post by lugg on Jun 12, 2021 17:31:48 GMT
Are you boasting or complaining?? Great photos K2
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Post by kerouac2 on Feb 20, 2022 21:16:56 GMT
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Post by lugg on Feb 23, 2022 19:25:03 GMT
Lovely theatre K2
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Post by Kimby on Feb 3, 2023 22:19:50 GMT
{Spoiler}Two from the Ringling Estate in Sarasota, Florida.
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Post by lugg on Feb 4, 2023 19:41:35 GMT
Oh - that looks a great place to visit Kimby - hoping for more of what you have seen . Great photos.
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Post by lugg on Mar 1, 2023 19:45:26 GMT
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Post by kerouac2 on Mar 1, 2023 19:47:59 GMT
excellent!
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Post by lugg on Mar 30, 2023 18:19:17 GMT
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Post by kerouac2 on Mar 30, 2023 19:24:34 GMT
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