Multiple choice general knowledge science & technology

The lower the eccentricity, the closer a planet's orbital shape is to a perfect circle. Which planet has an almost perfectly circular orbit(Eccentricity < 0.01)?

  1. Mercury

  2. Mars

  3. Venus

  4. Earth
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Venus has the most circular orbit of all planets with an eccentricity of about 0.007 (nearly zero). Eccentricity measures how much an orbit deviates from a perfect circle. Mercury has the most eccentric orbit (0.21), while Earth's is 0.017.

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