# grand tack hypothesis

> in the early days of the Solar System, Jupiter moved inward then reversed course ("tacked") to its current orbit

**Wikidata**: [Q19515787](https://www.wikidata.org/wiki/Q19515787)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grand_tack_hypothesis)  
**Source**: https://4ort.xyz/entity/grand-tack-hypothesis