What planet has the longest day?
Venus is the second planet nearest to the sun. It is sometimes referred to as Earth sister planet because their similar size and gravity. According to Professor Seligman and what I believe to have understood about rotation and day length, Mercury rotates faster and has a longer day length or Synodic Period (~176 Earth days; Venus ~116). So Trivial Pursuit is wrong.
However, it takes Venus -243 days (negative because it rotates in the opposite direction of Earth) to complete a rotation on itself, meanwhile Mercury completes its rotation in ~ 59 days. As a reference, it takes Earth 23 hr 56 min 4.1 sec (it's Synodic Period is 24h). So the error can be understandable. Oh and by these terms, Wikipedia is also wrong. Have I revolutionized the web? Maybe you guys should read my sources and see what you can make out of this astronomical gibberish. (Click here)
In conclusion, I like plants and things that live on the planet because they are easier to understand. As a bonus, here is an easier question.
Where will you find the 20 moons that grace the human body?
The base of the nail
Are you impressed I managed to stick with a planetary (or in this case satellite) themed question? I have no merit, I randomly pulled it out of the box.
The moon or lunula, is the whitish arc at the base of your finger and toe nails. It is part of the nail matrix - where the nail is produced.
We generally have ten fingers, ten toes hence the 20 moons.
If you can't see them, no worries, the lunula is actually located under the nail and not everyone can see it through their nail.
Now wasn't that simpler?
I'll leave you with next week's question: What sense is most closely linked to memory?
Please, take a guess!