As the aurora australis danced across Antarctica, astronaut Christina Koch snapped this mesmerizing picture from the International Space Station.
“Years ago at the South Pole, I looked up to the aurora for inspiration through the 6-month winter night,” she tweeted. “Now I know they’re just as awe inspiring from above.” Credit NASA
Brian suggests: both colours are from atomic oxygen, Green 5577 Angstrom and Red is 6300-6360 Angstrom which would be at a higher altitude and therefore from another aurora further away from the photographer, deepening the delights and expanding the inspirations.
British Antarctic explorer Robert Scott called these "divine signalling".