#Shoemaker-Levy 9 doesn't have a hyphen when it should

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glossy saffron
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Hale-Bopp is correct, but Shoemaker-Levy 9 is missing its hyphen

https://en.wikipedia.org/wiki/Comet_Shoemaker–Levy_9
https://en.wikipedia.org/wiki/Comet_Hale–Bopp

Comet Shoemaker–Levy 9

Comet Shoemaker–Levy 9 (formally designated D/1993 F2) broke apart in July 1992 and collided with Jupiter in July 1994, providing the first direct observation of an extraterrestrial collision of Solar System objects. This generated a large amount of coverage in the popular media, and the comet was closely observed by astronomers worldwide. The c...

Comet Hale–Bopp

Comet Hale–Bopp (formally designated C/1995 O1) is a comet that was one of the most widely observed of the 20th century and one of the brightest seen for many decades.
Alan Hale and Thomas Bopp discovered Comet Hale–Bopp separately on July 23, 1995, before it became visible to the naked eye. It is difficult to predict the maximum brightness of n...