अंतरिक्ष यान
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thumb|250px|aantariksh yan aantariksh yan kee r aauketoan ko jo dakar banaya jata hai arthath aantariksh yan mean kee charaniy r aauket hote haian. nichale charan ke r aauket apane kary ko karake niche girate haian, kintu pe-lod prithvi ki kaksha mean rah jata hai. bharat ka pratham aantariksh yan eselavi-3 char thos nodak r aauket se milakar bana hai. prakshepan yan ya r aauket aantariksh yan mean lagaye jate haian. alag-alag prakar ke upagrahoan ke prakshepan ke lie alag alag r aauket praudyogiki prayog ki jati hai.
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tika tippani aur sandarbh
sanbandhit lekh