Skywatchers across Scotland have been treated to a celestial display as the Aurora Borealis lit up the night.
Striking red and green skies were spotted across much of the country last night from Orkney in the north all the way to the Borders.
The Northern Lights appeared as bright, swirling curtains of light in the night sky and range in colour from green to pink and scarlet.
The phenomenon is caused by charged particles from the sun hitting gases in the Earth’s atmosphere.
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The particularly strong emission on Monday caused the Lights to be seen globally, with reports of incidents coming from as far away as China and Australia.
The two most common gases in the Earth’s atmosphere are nitrogen and oxygen. Oxygen atoms glow green – the colour most often seen in the Northern Lights, while nitrogen atoms emit purple, blue and pink.
The most impressive auroras occur when the Sun emits really large clouds of particles called “coronal mass ejections”