akshaansh rekhaaeain

akshaansh rekhaaeain
World map longlat.svg
pruthvi ka naksha
rekhaansh (λ)
rekhaansh ki rekhaaen is prakshep mein vakreeya prateet hoti hain, parantu dhruvavrutton ki aadhi hoti hain.
akshaansh (φ)
akshaansh ki rekhaaen is prakshep mein kshaitij evam seedhi prateet hoti hain, parantu ve bhinn ardhavyaason sahit vrutteeya hoti hain. ek akshaansh par di gain sabhi sthaan ekasaath judkar akshaansh ka vrutt banaate hain.
bhoomadhya rekha pruthvi ko uttari golaardh aur dakshini golaardh mein baantati hai, aur iska akshaansh shoonya ansh yaani 0° hota hai. World map with equator.svg
is sandook ko: dekhein samvaad

globe par bhoomadhya rekha ke samaantar kheenchi gayi kalpanik rekha. akshaansh rekhaaon ki kul sankhyaa180+1 (bhoomadhya rekha sahit) hai. prati 1 degree ki akshaansheeya doori lagbhag 111 ki. mi. ke baraabar hoti hain jo pruthvi ke golaakaar hone ke kaaran bhoomadhya rekha se dhruvon tak bhinn-bhinn milti hain. ise yoonaani bhaasha ke akshar faai yaani se darshaaya jaata hai. takaneeki drushti se akshaansh, ansh (degree) mein ankit koneeya maapan hai jo bhoomadhya rekha par 0° se lekar dhruv par 90° ho jaata hai.

akshaansh

akshaansh, bhoomadhyarekha se kisi bhi sthaan ki uttari athva dakshini dhruv ki or ki koneeya doori ka naam hai. bhoomadhyarekha ko 0° ki akshaansh rekha maana gaya hai. bhoomadhyarekha se uttari dhruv ki or ki sabhi dooriyaaain uttari akshaansh aur dakshini dhruv ki or ki sabhi dooriyaaain dakshini akshaansh mein maapi jaati hai. dhruvon ki or badhne par bhoomadhyarekha se akshaansh ki doori badhne lagti hai. iske atirikt sabhi akshaansh rekhaaeain paraspar samaanaantar aur poorn vrutt hoti hain. dhruvon ki or jaane se vrutt chhote hone lagte hain. 90° ka akshaansh dhruv par ek bindu mein parivrtit ho jaata hai.

pruthvi ke kisi sthaan se soorya ki ooainchaai us sthaan ke akshaansh par nirbhar karti hai. nyoon akshaanshon par dopahar ke samay soorya theek sir ke oopar rahata hai. pruthvi ke tal par padne waali soorya ki kirnon ki garami vibhinn akshaanshon par alag alag hoti hain. pruthvi ke tal par ke kisi bhi desh athva nagar ki sthiti ka nirdhaaran us sthaan ke akshaansh aur deshaantar ke dvaara hi kiya jaata hai.

kisi sthaan ke akshaansh ko maapane ke liye ab tak khagolakeeya athva tribhujeekaran naam ki do vidhiyaaain prayog mein laai jaati rahi hain. kintu iski theek-theek maap ke liye 1971 mein shri nirankaar Singh ne bhooghoornanamaapi naamak yantr ka aavishkaar kiya hai jisse kisi sthaan ke akshaansh ki maap keval ansh (degree) mein hi naheen apitu kala (minute) mein bhi praapt ki ja sakti hai.

akshaansh ke vrutt

uttari varamaunt mein chinh



inhein bhi dekhein