🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ856292· pop 38· linked from 285 articlesworld lineAlso known as worldlineunique path of an object as it travels through 4-dimensional spacetimeArticleEquations FormalismsSolutionsRead full article (305 paragraphs)Available in 37 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीArmenianConnectionscausal structureEntityPhysical ReviewEntityCategories1900s neologismsMinkowski spacetimeTheory of relativityTime in science