New Delhi, Dec. 2 -- The International Space Station recently shared a beautiful image that displays the vibrant colours of Earth's atmosphere as seen from space. The photograph appears to depict our globe covered in an iridescent yellow glow.

The photo, which was captured by NASA astronaut Don Pettit, looks stunning with stars twinkling in the background. "The colors of our atmosphere seen from space! Multiple vibrant layers of green atomic oxygen, orange hydroxyl radicals, and red airglow excited from solar activity," the caption read on Instagram.

The vibrant colours are caused by a phenomenon called airglow, a natural process where the Earth's atmosphere emits light.

When sunlight excites atoms and molecules in the upper atmosphere...