# fourth cosmic velocity

> minimum speed needed for an object to escape the gravitational influence of the galaxy

**Wikidata**: [Q2467308](https://www.wikidata.org/wiki/Q2467308)  
**Source**: https://4ort.xyz/entity/fourth-cosmic-velocity


## References

1. The escape speed curve of the Galaxy obtained from Gaia DR2 implies a heavy Milky Way