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ALESS 073.1
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<p>ALESS 073.1 is an old <a href="/facts/Spiral_galaxy/hRT2dtxJ">spiral galaxy</a> 12 billion <a href="/facts/Light_year/IGc5NdQb">light years</a> away from Earth. The discovery was published in February 2021 in the journal <i><a href="/facts/Science_(journal)/uTyzjkwD">Science</a></i>. It has challenged the way astronomers understand galaxies and <a href="/facts/Galaxy_formation_and_evolution/uAPtXxr4">galaxy formation</a>. </p>