It may not be practical, but it is still possible ;) classes like ''astronomic corp that was thought to be a planet in 1850'' are an option :)
2015-04-30 13:51 GMT+02:00 Andrew Gray <andrew.g...@dunelm.org.uk>: > On 30 April 2015 at 12:37, Thomas Douillard <thomas.douill...@gmail.com> > wrote: > > Infovarius even complicated the problem, he put the number of "known" > > planets at some time with a qualifier for validity :) > > Just to throw a real spanner in the works: for a lot of the nineteenth > century the number varied widely. The "eighth planet" was discovered > in 1801, and is what we'd now think of as the asteroid or dwarf planet > Ceres; the "real" eighth planet, Neptune, wasn't discovered until > 1851. > > Newly discovered asteroids were thought of as 'planets' for some time > (I have an 1843 schoolbook somewhere that confidently tells children > there were eleven planets...) until by about 1850, it became clear > that having twenty or so very small planets with more discovered every > year was confusing, and the meaning of the word shifted. There was no > formal agreement (as was the case in 2006) so no specific end date. > > The moral of this story is probably that trying to express complex > things in Wikidata is not always practical :-) > > -- > - Andrew Gray > andrew.g...@dunelm.org.uk > > _______________________________________________ > Wikidata-l mailing list > Wikidata-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata-l >
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