astronomical twilight (Q49415785)
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times of the day when the sun is 12 to 18 degrees below the horizon
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | astronomical twilight |
times of the day when the sun is 12 to 18 degrees below the horizon |
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Sitelinks
Wikipedia(1 entry)
- plwiki Zmierzch astronomiczny