http://earth.jsc.nasa.gov/newsletter/Sp ... fault5.htmWe also made an empirical estimate of spatial resolution for lower contrast vegetation boundaries. By clearing forest so that a pattern would be visible to landing aircraft, a landowner outside Austin, Texas (see also aerial photo in Lisheron 2000), created a target that is also useful for evaluating spatial resolution of astronaut photographs. The forest was selectively cleared in order to spell the landowner's name 'LUECKE' with the remaining trees (figure 10). According to local surveyors who planned the clearing, the plan was to create letters that were 3100 ´ 1700 ft (944.9 ´ 518.2 m). Photographed at a high altitude relative to most Shuttle missions (543 km) with a 250-mm lens, Formula 3 predicts that each pixel would represent an area 28.6 ´ 36.0 m on the ground (table 5). When original film was digitised at 2400 ppi (10.6 mm/pixel), letters correspond to 29.4 ´ 18.8 pixels for a comparable pixel size of 27 – 32 m.
There was a write-up about the Luecke land in the Austin paper a few years ago. The needed to clear-cut an area for grazing land, but you always need to keep a certain percentage of the tree growth to maintain healthy wildlife habitats, erosion control, etc. They had the idea to leave the un-cleared areas in a pattern that spelled out their name.
In this day and age 30 seconds on Google can certainly make one's knowledge seem boundlessProfessorF said:Emp, you're boundless knowledge never ceases to amaze!
Could be a fortress or gun emplacement. Reminds me of the Forts Vauban built in France.Diabolik said:..And what the hell is this.. (I don't think it's on that site mentioned above)
They've captured the moon!!!111!!!! :shock:MeteorMaker said:And what about this?
http://maps.google.com/maps?ll=40.03628 ... &t=k&hl=en
It's inside McGuire AFB, New Jersey, where nuclear BOMARC anti-aircraft missiles were based in the 50's and 60's. In 1960, one missile was destroyed in a fire that released nuclear material from the warhead. Is the huge circle the razed and sanitized area around it, or simply an unusually large helipad, or what?
???Cavynaut said:Apologies for bumping such an old thread, but these circular formations can also be found in Southern Egypt. Would they also be circular crop fields?
If someone had foreknowledge of Google Maps in 2003 and posted a thread about it, it would have been a Fortean phenomenon indeed, right here in the forum itself.Cavynaut said:You know, that's odd. I could've sworn that the first post was dated 2003. :? No, there isn't a hyperlink, I've been asked to ask if anyone knows what these markings are by someone who saw a picture of them somewhere else. And where better to ask?!
You may have been looking at the "Joined" date on the left by mistake. I do it all the time.Cavynaut said:You know, that's odd. I could've sworn that the first post was dated 2003. :? No, there isn't a hyperlink, I've been asked to ask if anyone knows what these markings are by someone who saw a picture of them somewhere else. And where better to ask?!
Could well be. I saw very similar formations last year out of a plane window when I flew into Marrakech (Morocco) last year. I think those were date palm plantations. Could these be something similar?Cavynaut said:Apologies for bumping such an old thread, but these circular formations can also be found in Southern Egypt. Would they also be circular crop fields?