Home›Browse›massive particle🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийفارسی中文日本語EntityQ2923525· pop 12massive particleSign in to saveAlso known as bradyon, tardyon, ittyonparticle having real positive rest massAvailable in 12 languagesFrançais中文日本語РусскийPortuguêsBahasa IndonesiaFinnishPolskisimpleUkrainianفارسیvia Wikidata sitelinks · CC0