S8 Ep435: HEADLINE: Early Hints of the Invisible. GUEST: Govert Schilling. SUMMARY: Schilling introduces pioneers Kapteyn, Oort, and Zwicky, whose early 20th-century observations of stellar motions and galaxy clusters first hinted at dark matter's existence.
S8 Ep435: HEADLINE: Early Hints of the Invisible. GUEST: Govert Schilling. SUMMARY: Schilling introduces pioneers Kapteyn, Oort, and Zwicky, whose early 20th-century observations of stellar motions and galaxy clusters first hinted at dark matter's existence.  
Podcast: The John Batchelor Show
Published On: Mon Feb 09 2026
Description: HEADLINE: Early Hints of the Invisible. GUEST: Govert Schilling. SUMMARY: Schilling introduces pioneers Kapteyn, Oort, and Zwicky, whose early 20th-century observations of stellar motions and galaxy clusters first hinted at dark matter's existence. ESA EUCLID, 2020