उपग्रह
Revision as of 08:34, 15 March 2018 by व्यवस्थापन (talk | contribs) (Text replacement - "आर्यभट्ट" to "आर्यभट")
[[chitr:Aryabhata-Satellite.jpg|thumb|250px|upagrah aryabhat]] upagrah (aangrezi: Satellite) kisi bhi grah ke charoan or parikrama karane vale piand ko kahate hai.
- antariksh u dan[1] ke sandarbh mean-
upagrah ek vastu[2] hai, jise manav prayas ke dvara kaksha[3] mean sthapit kiya jata hai. is tarah ki vastuoan ko prakritik upagrahoan[4] jaise chandrama se alag karane ke lie kabhi-kabhi kritrim upagrah bhi kaha jata hai.
- chandrama prithvi ka prakritik upagrah hai jabaki ianset-bi prithvi ka kritrim upagrah hai.
- upagrah ki kakshiy chal kakshiy trijya par nirbhar karati hai. prithvi tal ke ati nikat chakkar lagane vale upagrah ki kakshiy chal lagabhag 7.9 ya 8 ki.mi./se. hoti hai.
- prithvi ke ati nikat chakkar lagane vale upagrah ka parikraman kal 84 minat hota hai.
- bhoo-sthayi upagrah prithvi tal se lagabhag 36000 ki.mi. ki ooanchaee par rahakar prithvi ka parikraman karata hai. bhoo-sthayi upagrah prithvi ke aksh ke lambavat tal mean pashchim se poorab ki or prithvi ki parikrama karata hai tatha isaka parikraman kal prithvi ke parikraman kal (24 ghante) ke barabar hota hai.[5]
- kritrim upagrah ke andar pratyek vastu bharahinata ki sthiti mean hoti hai.
|
|
|
|
|
|