What is Airglow? Phenomenon that makes Sky Red, Blue and Green
According to various studies the blue colour appears because of the nature of light, atoms and molecules and some quirky parts of earth's atmosphere.
Dec 30, 2022, 22:00 PM ISTPuzzled over the phenomenon of 'bright nights' for centuries, scientists finally say 'Eureka'!
Historical accounts of bright nights go back centuries. European newspapers and the scientific literature also carried observations of these events in 1783, 1908 and 1916.
Jun 24, 2017, 15:25 PM IST