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Q: How many constellations are there in the universe?
  • A. 88
  • B. 99
  • C. 90
  • D. 87
Correct Answer: Option B - International Astronomical Union (IAU) recognizes 88 constellations covering the entire northern and southern sky in universe. The largest constellation in the sky is 'Hydra'. The smallest constellation in the sky is ‘Crux’.
B. International Astronomical Union (IAU) recognizes 88 constellations covering the entire northern and southern sky in universe. The largest constellation in the sky is 'Hydra'. The smallest constellation in the sky is ‘Crux’.

Explanations:

International Astronomical Union (IAU) recognizes 88 constellations covering the entire northern and southern sky in universe. The largest constellation in the sky is 'Hydra'. The smallest constellation in the sky is ‘Crux’.