wkd:Q173227
Planck length. very small-scale unit of length
unit_of_lengthwkd:Q173227wkd:Q468999
wikidata.org 1 view · 1mo ago
light-year. unit of astronomical length, defined as the distance that light travels in the vacuum in one year
unit_of_lengthwkd:Q173227wkd:Q21652125wkd:Q82047057wkd:Q83155724
wikidata.org 2 views · 1mo ago
Showing 1-2 of 2 items.