Even in the first half of the 20th century, astronomers had to be content with the uniformity of nature argument confirmed by spectroscopy. In an article in Science in 1920, the American astronomer W. W. Campbell (a great opponent of Lowell…5. Michael J. Crowe, The Extraterrestrial Life Debate, 1750–1900 (Cambridge: Cambridge University Press, 1986), pp. 224–225, 274–277, 464–465. Simon Schaffer has shown the place of the nebular hypothesis in a general “science of progress” i…
William Wallace Campbell
scientist · 2 mentions across 1 reading
In this course
William Wallace Campbell was an early 20th-century American astronomer best known for his skeptical stance toward speculative claims about extraterrestrial life, particularly his opposition to Percival Lowell's theory of canals on Mars. In the course readings, he appears as a figure representing the tension between observational restraint and imaginative hypothesis in astronomy—his use of spectroscopy to argue for the uniformity of nature serves as a counterpoint to more speculative frameworks for detecting alien worlds. This positions Campbell within a broader genealogy of how scientists have negotiated between empirical evidence and the desire to discover life beyond Earth, a concern relevant to how machine learning systems must balance pattern recognition with epistemic caution.
Mentioned in 1 reading
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