What does this number measure?
A neighbouring galaxy with an irregular structure. The Small Magellanic Cloud interacts gravitationally with its galactic surroundings. Its extent is an order of magnitude, distinct from its distance from Earth.
Compare the stated dimensions
The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.
Source and limitations
Catalogue order of magnitude; a source is provided, but this measurement has not been individually audited.
Small Magellanic Cloud: interpretation of its irregular morphology; approximate colours, dust and stellar extent.