Yooj yim compasss siv nyob rau hauv sab qab teb hemisphere muaj sab qaum teb qhov kawg ntawm rab koob hnyav los tiv thaiv qhov no. Qhov tseeb, cov neeg tsim khoom ntawm cov compasss kho lawv rau tsib thaj chaw sib cais. Cov hlau nplaum sib nqus siv los ntawm cov neeg tshawb nrhiav ntawm Asmeskas Sab Hnub Poob tau hnyav rau siv hauv North America.
Puas txhais taw rau sab qab teb hauv Australia?
Lub koob koob yuav (rau cov laj thawj tau teev tseg saum toj no) taw tes rau sab qab teb Sib Nqus Ncej thiab Sab Nraud Sib Nqus Ncej. Nws tsuas yog ib qho tseem ceeb kom paub tias qhov kawg ntawm lub koob compass yog qhov twg. Qhov no tshwm sim hauv Australia, ib yam li nws tshwm sim lwm qhov hauv ntiaj teb. Nws yog taw rau sab qab teb.
Puas txhais taw rau sab qaum teb lossis sab qab teb?
A compass point north vim txhua tus hlau nplaum muaj ob tug ncej, ib tug ncej qaum teb thiab ib tug ncej qab teb, thiab sab qaum teb ntawm ib tug hlau nplaum yog attracted rau sab qab teb ncej ntawm lwm cov hlau nplaum..
txhais li cas thaum lub ntsuas ntsuas taw qhia rau sab qaum teb?
Ib rab koob taw qhia rau sab qaum teb vim tias sab qaum teb ntawm cov hlau nplaum hauv nws tau nyiam mus rau sab qab teb ntawm lub ntiaj teb cov hlau nplaum tsim. … Tam sim no yog tias rab koob hauv koj lub xov tooj yog taw rau sab qaum teb, txhais tau tias nws yog raug nyiam (rub mus rau) ib yam dab tsi nyob ze lub ntiaj teb tus ncej qaum teb.
Puas compasses ua haujlwm sab qab teb ntawm txoj kab nruab nrab?
Nws tsuas yog ntawm txoj kab nruab nrab uas ib txwm siv lub ntsuas yuav muabKev nyeem ntawv tseeb tshaj plaws txog qhov kev taw qhia yog sab qaum teb thiab qhov twg yog sab qab teb, Jordan tau hais. Qhov ntawd yog vim hais tias nyob rau ntawm txoj kab nruab nrab, tag nrho lub ntiaj teb cov kab hlau nplaum yog kab rov tav thiab sib npaug rau lub ntiaj teb saum npoo, nws piav qhia.
