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 1789

    Persident-elect George Washington moves into Franklin House, NY

    • James Buchanan

      Cove Gap, Pennsylvania
    • Shirley Temple

      90 years old | Santa Monica, California
    • Michael Moore

      64 years old | Flint, Michigan
    • Kal Penn

      41 years old | Montclair, New Jersey