
dhruviy kavach

dhruviy (parshvabhoomi kiranotsargache dhruvikaran) haah eka vaishvik sookshm tarang parshvabhoomi dhruvikaran prayog aahe joou antophagasta pradeshatil uttar chilichya atakama valvantat sthit aahe. dhruviy shastra prayog haah chaznanter vidnyan rakheev bhagatil james ex vedhshaletil huan tran durbinivar (etch. etch.) basavala jaato. etch. etch. heey sero tokochya utaranvar atakama cosmology telescopajaval sumare 4 kiimii unchivar sthit aahe.
pollarbear heey aantarrashtriy sahkaryane vikasit kele gele aahe jyat california vidyapith, berkley, laurence berkley rashtriy prayogshala, boulder yetheel colorado vidyapith, california vidyapith, sann diego, imperial college, parris vidyapithachi khagoliy kann aanee vishvashastra prayogshala (2019), keek (uchch urja pravegak sanshodhan sanstha), mcgill vidyapith aanee cardiff vidyapith yancha samavesh aahe.
itihas.
2010 madhye californiatil (america) westgard khindijavalachya millimeter-wave khagolshastra sitewar abhiyantriki dhavnyasathi sanshodhanasathi sanyukt rachnet heey upkaran pratham sthapit karnyat aale hote. tyanantar september 2011 madhye teey atakama valvantatil tyachya antim gantvyasthanavar halavanyat aale. polarbierne 10 janewari 2012 roji pahila prakash pahila aanee april 2012 madhye tyacha pahila nirikshan hangam suru jhaala.
aktoobar 2014 madhye, dhruviy shastrane 150 gigahertzwar bii-mode dhruvikaranache mojmap prakashit kele. heey mojmap mothya pramanatil sanrachanemadhye hastakshep karoon gurutvakarshaniy lensdware sambhavyapane milananya chaap-minit pramanatil chadh-utaranvar kendrit hote. yaa varshachya suruvatila, bicep2 prakalpane degree-scale bii-mode dhruvikaranache sambandhit mojmap prakashit kele, jeey bahudha vaishvik chalanvadhipasunchya adim gurutvakarshaniy laharindware srot aahet, parantu teey kaaran mhanoon vaishvik dhool nakaru shakale naheet.
dhruviy pattyachya prakashit mojmapanmadhye aakashachya eka chhotya parantu swachchh pattyavar laksh kendrit kele gele aahe, jithe aakashgangechi agrabhag gurutvakarshanachya bii-modasathi upapradhan asayala havee. dhruviy chamoo heey nondavu shakali qee mojalele bii-mode dhruvikaran heey vishvasachya patalivar vaishvik moolche hote, tyanchya nirikshan velevar yaa chhotya pattyavar laksh kendrit karoon jethe teey archmint anisotropijsathi atyant sanvedanshil aahet. tathapi, hii nirikshan ranniti bicep2 aanee keek arrene shodhalelya mothya pramanavaril chalanvadhichya bii-modasathi asanvedanshil aahe.