4.25 light-years
4.25 lyLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 4.25 light-years?
Deep space
4.25 ly
4.25 light-years
The quantity is exact as entered.
4.25 lyLength
0 - shared origin
Distance to Proxima Centauri
This is the distance from the Sun to Proxima Centauri, the closest known star to our Solar System.
4.25 lyDistance
0 - shared origin
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.
A little perspective
4.25 light-years is approximately equal to the distance to Proxima Centauri.
Measurements, assumptions & sources +
4.25 light-years
Length: 4.25 ly; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Distance to Proxima Centauri
Distance: 4.25 ly; approximate.
Rounded NASA nearby-star distance anchor, 4.25 light-years. The Earth is not at the centre of the galaxy.
NASA — Our nearest celestial neighbour
The marked distance is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 4.25 light-years with the distance to Proxima Centauri. The notes below explain how each value was chosen.
Distance to Proxima Centauri
4.25 lyDistance · approximate
Rounded NASA nearby-star distance anchor, 4.25 light-years. The Earth is not at the centre of the galaxy.
- Comparing
- Length ↔ Distance
- Relative size
- 4.25 light-years is approximately equal to the distance to Proxima Centauri.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The distance to Proxima Centauri: This is an estimate; check the notes for its rounding and uncertainty.
This comparison follows the selected length only; other dimensions may differ.
4.0208 × 10¹⁶ mmetres
1.3192 × 10¹⁷ ftfeet
2.4984 × 10¹³ mimiles
268,770 AUastronomical units
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