standard ruler
Sign in to saveastronomical object of well-known physical size, used to determine distance via trigonometry
Wikidata facts
- Subclass of
- technical standard
- Part of
- cosmic distance ladder
- Has use
- measurement
Show 3 more facts
- has characteristic
- distance
- maintained by WikiProject
- WikiProject Mathematics
- is metaclass for
- astronomical object
via Wikidata · CC0