10,000,000 light-years
3.066 MpcLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 10,000,000 light-years?
Deep space
10,000,000 ly
10,000,000 light-years
The quantity is exact as entered.
3.066 MpcLength
0 - shared origin
Local Group
The Local Group is a collection of galaxies that includes the Milky Way, Andromeda, and several smaller galaxies.
3.066 MpcDiameter
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
10,000,000 light-years is approximately equal to the diameter of the Local Group.
Measurements, assumptions & sources +
10,000,000 light-years
Length: 3.066 Mpc; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Local Group
Diameter: 3.066 Mpc; rounded reference.
A rounded 10 million light-year span for the neighbourhood of galaxies. Galaxy groups have no solid edge.
Defined examples — our methodology
The marked diameter is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 10,000,000 light-years with the diameter of the Local Group. The notes below explain how each value was chosen.
Local Group
3.066 MpcDiameter · rounded reference
A rounded 10 million light-year span for the neighbourhood of galaxies. Galaxy groups have no solid edge.
- Comparing
- Length ↔ Diameter
- Relative size
- 10,000,000 light-years is approximately equal to the diameter of the Local Group.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The diameter of the Local Group: This is a rounded comparison value; check the notes for its source and scope.
This comparison follows the selected length only; other dimensions may differ.
9.4607 × 10²² mmetres
3.1039 × 10²³ ftfeet
5.8786 × 10¹⁹ mimiles
6.3241 × 10¹¹ AUastronomical units
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