anthelions
/æntˈhiliənz/
noun
- Plural of anthelion; bright spots that appear opposite the sun in the sky, often part of atmospheric optical displays.
- The science class learned how anthelions form when sunlight passes through ice crystals.
- Ancient sailors sometimes reported seeing anthelions and thought they were omens.
- On rare occasions, multiple anthelions can be seen at once, creating a spectacular sky show.