Compare
Compare two stops
Pick any two and see the ratio between them.
The journey sliders give you the full sweep at once; this page is for pinning two specific things side by side. Pick any two stops with concrete sizes and you get the exact ratio between them — including the kind of number that makes the difference feel real (a Sun is roughly a hundred Jupiters across; a Jupiter is roughly eleven Earths; an Earth is roughly four Moons). Sharing the URL of any pairing gives the other person the same view.
Compare by
Size comparison
Drawn to true scale.
- AProxima Centauri214,000 km
- BEarth12,742 km
Earth is 16.8× smaller than Proxima Centauri
Ratio · 16.8×

Open stop A214,000 km
Proxima Centauri
The closest known star to the Sun — and still impossibly far.
FactCosmos

Open stop B12,742 km
Earth
Our reference grain of sand.
FactCosmos