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PIMSO 2025 - Science - Secondary 4 - National Round Question 27

PIMSO Science · PIMSO 2025 - Science - Secondary 4 - National Round

Question 27

We cannot directly or indirectly observe in the visible universe the following except
  1. Two moons orbiting a planet
  2. Two stars orbiting one another
  3. Two galaxies orbiting one another
  4. All of the above can be observed in the visible universe