Which 17th-century astronomer sketched the Orion Nebula, recognizing it as a distinct patch of light?

Answer

Christiaan Huygens

Christiaan Huygens sketched the famous Orion Nebula in the 17th century and recognized it as a distinct patch of light unlike a typical star.

Which 17th-century astronomer sketched the Orion Nebula, recognizing it as a distinct patch of light?
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