UKat
ILanga liyinkwenkwezi embindini weNkqubo yeLanga. Lisisangqa esikhulu kwaye sishushu, sivutha side sikhanye, sivuthiswa kukuxubana kwe-nyukliye encamini yaso, ekhupha amandla wolophu ebusweni bayo aphuma sele ikukukhanya ukubonakalayo kunye nolopholubomvu (infrared) . Ilanga lingumthombo oyintloko wamandla empilo emhlabeni. Kusukela kudala izizwe ngezizwe zineenkolelo ngelanga nangezinye iinkwenkwezi.
Eli phepha libhalwe lalifutshane lasisivakalisi esinye kuphela. Nceda yandisa iWikipedia.