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irregular dwarf galaxy
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A mysterious solitary galaxy in Ursa Major
The drizzle of stars scattered across this image forms an irregular dwarf galaxy known as UGC 4879. Some 2.3 million light-years from its closest neighbour, UGC 4879’s isolation means that it has not interacted with any surrounding galaxies, making it an ideal laboratory for astronomers looking to understand the complex mysteries of starbirth throughout the universe.
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The Milky Way’s clean and tidy galactic neighbour
Many galaxies are chock-full of dust, while others have occasional dark streaks of opaque cosmic soot swirling in amongst their gas and stars. However, the irregular dwarf galaxy IC 1613 contains very little cosmic dust, allowing astronomers to explore its contents with great clarity. This is not just a matter of appearances; the galaxy’s cleanliness is vital to our understanding of the universe around us.