
ooriyoon (bahirakasha dooradarshini)

1970kalil soviyatt bahirakasha pedakatthil nakshathrangalude ultraviolet spectroscopy nadathunnathinaayi paratthiya rund upakaranangalude oru parambarayaayirunnu ooriyoon bahirakasha dooradarshinikal.
oriyoon 1.
ooriyoon 1 bahirakasha astrophysical nireekshana kendram oorbittal steshan salute 1 ll sthaapichu. yuu. ezz. ezz. aarile armeniyayile bairakkan nireekshanaalayatthile grigor gursadyaanaanu ithu roopakalppana cheythath. 1971 juunil kroo amgam victor patsayevu aanu ithu pravarthippichathu, angane bhoomiyude anthareekshathinu purathu oru dooradarshini pravarthippikkunna aadya manushyanaayi. 2000 num 3800 num edayilulla tharamgadairkhyamulla vega, beetaa centori nakshathrangalude spectrograamukal labhichu.
ooriyoon 2.
1973 desemberil soyas 13-ll ooriyoon 2 sthaapichu, ithu aadyathe manushyane bahirakasha nireekshanaalayamaayi parishkaricha oru bahirakasha pedakamaanu. kroo amgamaaya vaalantin lebedev aanu nireekshana kendram pravarthippichathu. armeniyayile gaarni bahirakasha jyotishaasthra laborattariyile grigor gursaadyaanaayirunnu nireekshanaalayatthinte roopakalppana. 13-aamm nakshatra theevrathayil mangiya aayirakkanakkin nakshathrangalude ultraviolet spectrograamukal wide angle meniscus dooradarshiniyiloode labhichu. oru grahangalude neehaaratthinte (aii. sii. 2149) aadyathe upagrahamaaya yuu. vii. spectrogram labhichu, ithu aluminium, titanium ennivayude spectral lineukal velippeduthunnu-munbu grahangalude neehaarathil nireekshikkaatha moolakangal. aaa grahangalude neehaaratthile rund-phottan udvamanavum aurigayile sradheyamaaya oru nakshathrasamoohavum kandethi.

