File:Twilight subcategories.svg
Summary
| Description |
Català: Els tres tipus de crepuscle i les seves mesures. El Sol està dibuixat a escala (amb un diàmetre de 32 minuts d'arc [0.53°]).
English: The three types of twilight and their measurements. The Sun is drawn to scale (with a diameter of 32 arcminutes [0.53°]).[1] |
| Date | |
| Source | Own work |
| Author | TWCarlson |
| Other versions |
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![[1]](./File:Twilight_subcategories.svg#cite_note-Low_precision_formulae-1){kind=link}
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- ↑ Van Flandern, T.; K. Pulkkinen (1980). "Low precision formulae for planetary positions". Astrophysical Journal, Supplement Series 31 (3). DOI:10.1086/190623.
