Vam yog ib tsob nroj nroj tsuag ntawm cov astronomyom. Hauv tib neeg, nws yog hu ua "overlapping" lossis "txwv." Niam txiv ntoo - Mediterranean, faib tawm hauv Kazakhstan, Baltic xeev, Europe. Qhov no yog cov nyom ntawm cov nyom nrog lub ncaj branched qia nrog cov xim xiav loj hlob ntawm cov hav zoov tau sawv thiab ntawm ntug kev.
Muaj ntau cov lus dab neeg txog keeb kwm ntawm lub pob kws. Thawj lub xeev uas npog ntawm Podloch kho lub qhov txhab ntawm Centaur, thov rau Hercules. Qhov thib ob qhia tias lub mermaid jordin uas mowed rye thiab tsis txhob muab cais tawm ntawm nws tus hlub. Nws qhwv zoo li tus txiv neej nyiam hauv vasilek, zoo li cov dej xiav. Cov neeg Loos ntseeg tias hauv lub sijhawm qub, tus tub hluas Cyanus nyob, hnav khaub ncaws tsuas yog cov xim paj yeeb dua li nws npau taws rau cov vajtswv poj niam Flor. Raws li qhov tshwm sim, nws tig mus rau hauv ib daim ntawv sau.
Tam sim no muaj ntau tshaj 700 hom ntawm cov nroj tsuag. Nws ntseeg tias lawv tiv thaiv ib tus neeg los ntawm cov ntsuj plig phem. Lub ntsiab lus tshwj xeeb ntawm Vasilek tau rau cov khoom tshiab: Cov xim tau ua kev cai raus dej los ntawm tus nkauj nyab thiab nraug vauv thaum lub sijhawm tshoob.
