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“… much of the matter in spiral galaxies emits no light. Moreover, it is not concentrated near the center of the galaxies …”
“Originally astronomers described the nonluminous component as “missing matter.” Today they recognize that it is not missing; it is just not visible.”
- Vera C. Rubin, “Dark Matter in Spiral Galaxies” – Scientific American, Vol. 248, No. 6 (June 1983)
[Thanks to Lucien Raphmaj who instagrammaticalized V.C.R.]
ALIENOCENE 