🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsРусскийالعربية한국어中文日本語EntityQ19515787· pop 15· linked from 180 articlesgrand tack hypothesisin the early days of the Solar System, Jupiter moved inward then reversed course ("tacked") to its current orbitConnectionssuper-EarthEntityEarthConceptSunCategoriesAstronomical hypothesesHypothesesSolar SystemSolar System dynamic theories