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.
Earth is classified as the largest of the terrestrial planets based on its circumference and diameter as well. At the equator, Earth's circumference is 24,901.55 miles (40,075.16 km). It is slightly smaller between the North and South poles at 24,859.82 miles (40,008 km).Earth's diameter at the poles is 7,899.80 miles (12,713.5 km) while it is 7,926.28 miles (12,756.1 km) at the equator. For comparison, the largest planet in Earth's solar system, Jupiter, has a diameter of 88,846 miles (142,984 km).arth's Size. As the largest of the terrestrial planets, Earth has an estimated mass of 5.9736 Ã 10 24 kg. Its volume is also the largest of these planets at 108.321 Ã 10 10 km 3. In addition, Earth is the densest of the terrestrial planets as it is made up of a crust, mantle and core.