The king size mattress measures 76 inches wide and is 80 inches long, while the queen comes in at 60 inches by 80 inches. The Western king is longer and wider than the queen mattress, but it is not as wide as the king mattress. In terms of overall size, the California king size is smaller than the king. It has a total of 6,048 square inches, while the king size has 6,080 square inches.
Mars is approximately half the diameter of Earth, and its surface area is only slightly less than the total area of Earth's dry land. Mars is less dense than Earth, having about 15% of Earth's volume and 11% of Earth's mass.
These include: 1  The Martian day (or sol) is very close in duration to Earth's. 2  Mars has a surface area that is 28.4% of Earth's, only slightly less than the amount of dry land on Earth (which is 29.2% of Earth's surface). 3  Mars has an axial tilt of 25.19Â°, similar to Earth's 23.44Â°.