Hailey's comet is visible after every_________?
Correct answer: B. 76 years
- A. 84 years
- B. 76 years
- C. 1000 years
- D. 365 years
Explanation
Halley's Comet returns approximately every 75 to 76 years because that is its orbital period around the Sun. Its recorded returns are therefore measured in decades, not centuries.
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