Yintoni umahluko phakathi kwe-alam yobuqu kunye nokukhwaza ucela uncedo?
Kukho iintlobo ezininzi "ze-alam yobuqu" kwimarike, kubandakanya uhlobo lwe-alam yesihlahla, i-alam ye-infrared, i-alam esetyhula, kunye ne-alam yokukhanya. Zonke zinophawu olufanayo - ngokukhwaza ngokwaneleyo. Ngokubanzi, abantu ababi baya kuziva benetyala xa besenza izinto ezimbi, kunye nobuntu ...
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