4 ms·
Interestingly, several cultures actually used the number of stars a person could see in the Pleiades as a vision test.
by stevula 3y ago
Interestingly, several cultures actually used the number of stars a person could see in the Pleiades as a vision test.
- trelane 3y agoOr two stars in Ursa major. https://pubmed.ncbi.nlm.nih.gov/18929764/ https://pubmed.ncbi.nlm.nih.gov/18929764/