Lub azimuth ntawm lub hnub qub yog pes tsawg degrees raws qab ntug nws yog thiab sib haum mus rau lub compass kev taw qhia. Azimuth pib los ntawm raws nraim North=0 degrees azimuth thiab nce clockwise: raws nraim East=90 degrees, raws nraim South=180 degrees, raws nraim sab hnub poob=270 degrees, thiab raws nraim North =360 degrees=0 degrees.
hnub qub qaum teb nyob qhov twg?
Koj pom lub hnub qub qaum teb li cas? Nrhiav Polaris yog ib qho yooj yim rau txhua hmo ntuj. Tsuas yog nrhiav Tus Dej Loj. Ob lub hnub qub nyob rau qhov kawg ntawm Dipper lub "khob" taw qhia txoj hauv kev mus rau Polaris, uas yog lub taub hau ntawm tus Me Dipper, los yog tus Tsov tus tw ntawm tus dais me hauv lub hnub qub Ursa Minor.
Qhov siab thiab azimuth ntawm North Star yog dab tsi?
Yog, qaum teb tuaj yeem txhais tau tias yog 0 lossis 360 degrees. Piv txwv li, lub hnub qub nyob rau sab qab teb sab hnub tuaj yuav muaj azimuth ntawm 135 degrees. Lub hnub qub hauv daim duab muaj qhov siab (kwv yees) qhov siab ntawm 45 degrees thiab azimuth ntawm txog 120 degrees.
Puas hnub qub ib txwm sawv ntawm tib lub azimuth?
Txawm li cas los xij, txawm li cas los xij, tsis hais hnub twg lub hnub qub nce lossis teeb tsa, mus rau qhov kwv yees zoo, dhau ntawm peb lub neej ntawm qhov chaw tshwj xeeb, lub hnub qub ib txwm nce thiab teeb tsa ntawm tib lub azimuths ntawm horizon (raws li peb yuav tham tom qab, qhov kev poob qis ntawm cov hnub qub yuav maj mam txav mus rau ntau pua xyoo rau ntau tus …
Yuav lub hnub qub nce ntawmtib lub sijhawm txhua hmo?
Vim peb cov moos zoo tib yam tau teem rau lub hnub ci, cov hnub qub nce 4 feeb ua ntej txhua hnub. Astronomers nyiam lub sij hawm sidereal rau kev npaj lawv cov kev soj ntsuam vim hais tias nyob rau hauv lub system, ib lub hnub qub nce nyob rau tib lub sij hawm txhua hnub.
