We found 2 dictionaries that define the word polar aurora:

General (1 matching dictionary)

1. Polar aurora: Wikipedia, the Free Encyclopedia

Science (1 matching dictionary)

2. From Stargazers to Starships Glossary (No longer online)

▸ Words similar to polar aurora ▸ Usage examples for polar aurora ▸ Idioms related to polar aurora ▸ Wikipedia articles (New!) ▸ Words that often appear near polar aurora ▸ Rhymes of polar aurora ▸ Invented words related to polar aurora