The spectacular auroras show the Sun has a significant impact on Earth’s atmosphere. Interestingly, a new report shows that variations in the orientation of Earth to Sun is responsible for climate change.The National Oceanic and Atmospheric Administration, which monitors space weather, said in an update on Saturday that it continued to observe solar activity that could lead to periods of “severe-extreme” geomagnetic storms.
The spectacular colors associated with auroras are due to the ionization of different gases in our atmosphere. The sensitivity to the human eye to color is also another contributing factor to what …Blue and purple auroras are even less common and also tend to appear during periods of high solar activity.