Laura Danly was an author who wrote the book The Cosmos A to Z, which listed the Arachnid Nebula as having a diameter of 6.5 billion kilometers.
When the starship Enterprise NX-01 completed a survey of the same nebula in 2151, they found that it actually had a diameter of 8 billion kilometers. (ENT: "Fusion")
She was named after Laura Danly, the Curator of the Griffith Observatory. 
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