Multiple choice general knowledge science & technology

How many years does it approximately take for Halley's comet to return to our inner solar system?

  1. 75

  2. 45

  3. 115

  4. 15
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Halley's comet has an orbital period of about 75-76 years, making its returns predictable and historically significant. The other options are far too short or long for its actual cycle.

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