Scale Comparison

Large Magellanic Cloud vs Small Magellanic Cloud

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The Large Magellanic Cloud is about 1.7 times wider than the Small Magellanic Cloud.

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21,106ly
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The Large Magellanic Cloud’s quoted diameter is about 1.7 times that of the Small Magellanic Cloud.

Both are irregular dwarf galaxies interacting with each other and the Milky Way. Their diffuse outskirts make any single diameter approximate, but the Large Cloud has the broader main stellar body.

Objects

Object details and sources

Galaxies

Small Magellanic Cloud

18,892 lydiameter

The Small Magellanic Cloud is a nearby dwarf galaxy and one of the Milky Way’s closest galactic companions. Its distorted shape records repeated tidal encounters with the Large Magellanic Cloud and the Milky Way.

Object class
Dwarf irregular galaxy
Host
Local Group
Composition
~3 billion stars, gas, dust, dark matter
Visual creditLa Silla Observatory 2015 / ESA / NASA / NASA-JPL / Caltech / Christopher Clark (STScI) / S. Stanimirovic (UW-Madison) / N. Mizuno (Nagoya University) / Public domainSource: Wikimedia Commons
Galaxies

Large Magellanic Cloud

32,200 lydiameter

The Large Magellanic Cloud is a nearby satellite galaxy laced with vast star-forming regions and supernova debris. It contains the Tarantula Nebula, the most productive stellar nursery in the Local Group, and it hosted SN 1987A, the closest observed supernova since 1604.

Object class
Dwarf irregular galaxy
Host
Local Group
Composition
~20 billion stars, gas, dust, dark matter
Visual creditESA / NASA / NASA-JPL / Caltech / Christopher Clark (STScI) / S. Kim (Sejong University) / T. Wong (UIUC) / Public domainSource: Wikimedia Commons

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