Magellanic Cloud
Noun
Meaning
either of two small galaxies orbiting the Milky Way; visible near the south celestial pole
Source: WordNetSynonyms
Hyponyms
Examples
They are part of the Milky Way satellite galaxy the Large Magellanic Cloud and the image ha been nicknamed the 'Cosmic Reef' as it looks like an undersea world.
The Large Magellanic Cloud is about 160,000 light years from Earth and the Small Magellanic cloud is a bit further at 200,000 light years away.