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PIMSO 2023 - Science - Secondary 4 - National Round Question 30

PIMSO Science · PIMSO 2023 - Science - Secondary 4 - National Round

Question 30

Who discovered dark matter?

Editorial convention: use the standard textbook credit for the 1933 galaxy-cluster inference.
  1. Vera Rubin
  2. Jan Oort
  3. Fritz Zwicky
  4. Halton Arp
  5. None of the above