Before revision: The detailed objectives are: Detailing how the variations of X-ray radiation from the sun affects the density of nitric oxide in the lower layer of the thermosphere How auroral activity increases the amount of nitric oxide in the polar regions of Earth
After revision: ;.The detailed objectives are: Detailing how the variations of X-ray radiation from the sun affects the density of nitric oxide in the lower layer of the thermosphere How auroral activity increases the amount of nitric oxide in the polar regions of Earth