Multiple choice general knowledge science & technology

Which planet on this list was the most recently discovered?

  1. mercury

  2. marcs

  3. neptune

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

Neptune was discovered in 1846 through mathematical predictions and telescope observations, making it the most recently discovered planet among the options. Mercury and Jupiter have been known since ancient times, Mars has also been known since antiquity. Neptune's discovery was a major achievement in astronomy as it was found by mathematical calculation of Uranus's orbital irregularities.

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