Which planet has the longest day of any planet in our solar system?

  • Mars
  • Venus correct

    Venus takes the gold medal on having the longest day of any planet in our solar system. It takes 224.65 days to complete each orbit. This is a little less than a year on Earth. But rather than a similar rotational period to Earth’s 24 hours, Venus takes 243 days to rotate once.

  • Saturn
  • Neptune
  • ON A DAY
  • Fact of the day

    Leonardo da Vinci could write with one hand while simultaneously drawing with the other.
  • This day in 1955

    The 3rd and final volume of "The Lord of the Rings" by J.R.R. Tolkien is published by George Allen and Unwin in London

    • Mickey Mantle

      Spavinaw, Oklahoma
    • Snoop Dogg

      46 years old | Long Beach, California
    • Tom Petty

      67 years old | Gainesville, Florida
    • Viggo Mortensen

      59 years old | New York City, New York