Multiple choice general knowledge science & technology

Which planet has the longest day, from sunrise to sunrise

  1. Jupiter

  2. Uranus

  3. Pluto

  4. Venus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Venus has the longest day (sidereal day) of any planet in our solar system, taking about 243 Earth days to complete one rotation on its axis. Jupiter rotates the fastest (about 10 hours), Uranus has a day of about 17 hours, and though technically a dwarf planet now, Pluto's day is about 153 hours.

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