noun
- plural of nightglow; faint luminous phenomena in the night sky caused by chemical reactions in the upper atmosphere
Usage: atmospheric science; astronomy
Examples
- Scientists studied the nightglows visible over the polar regions.
- The nightglows were particularly bright during periods of high solar activity.
- Researchers use specialized equipment to measure nightglows in the mesosphere.
- Different altitudes produce nightglows of varying colors and intensities.
- The nightglows helped astronomers understand atmospheric chemistry better.
- Satellite observations revealed patterns in nightglows across different latitudes.