Stellar stream
Hyllus
A river of stars — what is left of a cluster or small galaxy the Milky Way pulled apart.
Measured
- Distance
- about 67,248 light-years
How far, from the Sun
About 67,200 light-years. To cross it:
- Light67,200 years
- Voyager 1's speed1.19 billion years
- Driving at 100 km/h726 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- About 31,000 light-years long, 68,000 light-years away on average.
- Traced by Grillmair2014, GrillmairCarlin2016.
Where this comes from
- Stellar streams: galstreams (Mateu 2023, MNRAS 520, 5225), Copyright (c) 2017, Cecilia Mateu, BSD 3-Clause licence, and the papers each track comes from.
Every catalogue Ouranos draws is credited on the credits page.