AURORA BOREALIS
fenomena ini terjadi hasil daripada electron-electron yg terdapat dlm cahaya matahari bergerk pada kelajuan yg tinggi and then berlaku perlanggaran dengan atom-atom gas seterusnya menghasilkan energy yang menghasilkan cahaya yang sangat cantik:) subhanallah
- oxygen emissions
- Green or brownish-red, depending on the amount of energy absorbed.
- nitrogen emissions
- Blue or red. Blue if the atom regains an electron after it has been ionized. Red if returning to ground state from an excited state.
- where can we see it?
- Arctic and Antarctic
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