Alnwick Castle (/ËaenÉ¨k/ ËÃ¦NÉ¨K-an) ik is a castle and stately home in the town Of alnwick in The english county Of. northumberland
A planet's day is the time it takes the planet to rotate or spin once on its axis. Mars rotates at almost the same speed as the Earth so a day on Mars is about as long as a day on Earth. A day on Mars is 24.62 hours long while a day on Earth is 23.934 hours long. Continue the conversation on
So the Martian year consists of 668.6 Martian days.   A Martian day is 39.5 minutes longer than an Earth day. But Mars' circumference is just over half of Earth's, so its spin velocity is also about half, just 868 km/hr compared to Earth's 1674 km/hr at the Equator. 8 people found this useful.