Map of the Universe: Scroll through a map of the observable universe, galaxy by galaxy. River Runner: Follow a raindrop from anywhere to the sea.
| Map of the Universe | River Runner | |
|---|---|---|
| Category | Space, Planets & Sky Maps | Environment & Wildlife Maps |
| Coverage | Observable universe | Worldwide |
| Updates | Static archive | Static archive |
| Data source | Sloan Digital Sky Survey | Hydrological datasets |
| Made by | Johns Hopkins University | Sam Learner |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Works well on phones | Works well on phones |
| Map view | Flat map | 3D |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Map of the Universe
- Galaxies from the Sloan Digital Sky Survey
- Scroll from nearby to the edge of the universe
- Explanations along the way
What you can do with River Runner
- Click anywhere to trace water to the sea
- 3D flyover of the route
- River names along the way
Summary based on public information. Check each map's website for current features and prices.