Oncethoughttobetheresultof a meteorimpact, researchersnowbelieveitwascausedby a largedomeofmoltenrock, upliftingandonceatthesurface, beingshapedbywindandwaterintowhatweseetoday.
Ideashaverangedfromlocalizeduraniumtomethaneto a convergenceofatmosphericvariables.
Itoriginatesfrom a massivestormcloudsoverfivekilometershigh, whicharelikelytheresultofwindsfromthelakemeetingsurroundingmountainrangesandcollectingheatandmoisture, creatingelectricalcharges.
Asidefromtheinevitableclaimsofalienactivity, a numberofideashavebeenputforth, suchasplasmacreatedfromRadandecayorelectricchargeisgeneratedfromquartzgrainsinthevalleybelow.
Until a conclusivetheoryisreached, we'lljusthavetokeeplookingtothesky.
Numbereight, ThereshotstructureMauritaniaLocatedintheSaharaDesert, thereshotstructure, alsoknownastheEyeoftheSahara, is a strangeSirisofconcentricgeologicalrings.
Thecurrenttheoryisthatitwasoriginally a naturallyformedvolcanicdome, whichcollapsedlongago.
Oncethoughttobetheresultof a meteorimpact, researchersnowbelieveitwascausedby a largedomeofmoltenrockupliftingandonceatthesurface, beingshapedbywindandwaterintowhatweseetoday.
Still, thefactthatit's ringsareequal, distantandthatit's socircularis a littleunnerve.
IngNumbersevenDevil's Kettle, MinnesotaYusaInJudgeCRMagneStateParkinMinnesota, there's a waterfallnamedDevil's Kettle.
Thefallssplitintotwo, withonesidegoingfurtherdownstreamandtheotherflowinginto a holeintherock.
YoumightnothavetotraveltococaMotoexperiencethehum, however, asreportsfromacrosstheworldhavepeopleexperiencingsimilarsymptoms, isit a caseofmasshysteria, oristheresomethingconnectingtheseaccounts?
There's actuallymillionsofthem, andinfact, theycangrowupto 65 ftindiameterandliveupto 75 years.
Scientistshavenoideawhatthehecktheyareorhowthey'reformed, buttheirnicknamedFerryCircleMorescientificexplanations, however, includessandtermites, whichhavebeenfoundinandaroundmostofthem, orelseas a resultofundergroundmoisturecompetitionamonggrasses.
Someresearcherssuspect a highlypoisonousbushofthe U Phobiafamily.